| Nominal | 72840 |
| Cardinal | seventy-two thousand eight hundred forty |
Cardinal seventy-two thousand eight hundred forty | |
| Ordinal | 72,840th |
| Number of digits | 5 |
| Sum of digits | 21 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 3 x 5 x 607 |
| Prime factorization in exponent form | 23 x 3 x 5 x 607 |
| Prime factors | 2, 3, 5, 607 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 617 |
| Product of prime factors | 18210 |
| Is 72840 a prime number? | No |
| Is 72840 a semiprime number? | No |
| Is 72840 a Chen prime number? | No |
| Is 72840 a Mersenne prime number? | No |
| Is 72840 a Catalan number? | No |
| Is 72840 a Fibonacci number? | No |
| Is 72840 a Idoneal number? | No |
| Square of 72840 (n2) | 5305665600 |
| Cube of 72840 (n3) | 386464682304000 |
| Square root of 72840 | 269.88886601711 |
| Natural Logarithm (ln) of 72840 | 11.196020533842 |
| Decimal Logarithm (log) of 72840 | 4.8623699371229 |
| Sine of 72840 | -0.82333717889173 |
| Cosecant of 72840 | -1.2145692258742 |
| Cosine of 72840 | 0.56755254369495 |
| Secant of 72840 | 1.7619514018732 |
| Tangent of 72840 | -1.4506800965626 |
| Cotangent of 72840 | -0.68933185363852 |
| The spelling of 72840 in words is "seventy-two thousand eight hundred forty", meaning that: |
| 72840 is not an aban number (as it contains the letter a) |
| 72840 is not an eban number (as it contains the letter e) |
| 72840 is not an iban number (as it contains the letter i) |
| 72840 is not an oban number (as it contains the letter o) |
| 72840 is not a tban number (as it contains the letter t) |
| 72840 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৭২৮৪০ |
| Eastern Arabic numerals | ٧٢٬٨٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓆼𓍩𓎉 |
| Khmer numerals | ៧២៨៤០ |
| Japanese numerals | 七万二千八百四十 |
| Roman numerals | n/a |
| Thai numerals | ๗๒๘๔๐ |
| Arabic | إثنان و سبعون ألف و ثمانية مائة و أربعون |
| Croatian | sedamdeset i dvije tisuća osamsto četrdeset |
| Czech | sedmdesát dvě tisíc osm set čtyřicet |
| Danish | to og halvfjerds tusinde otte hundrede fyrre |
| Dutch | tweeenzeventigduizend achthonderdveertig |
| Estonian | akpe blaadre vɔ eve alafa enyi kple blaene |
| Faroese | sjeytitvey tusin og áttahundraðogfýrati |
| Filipino | pitóng pû’t dalawáng libó’t walóng daán at ápat na pû |
| Finnish | seitsemänkymmentäkaksituhattakahdeksansataaneljäkymmentä |
| French | soixante-douze mille huit cent quarante |
| Greek | εβδομήντα δύο χίλιάδες οκτακόσια σαράντα |
| German | zweiundsiebzigtausendachthundertvierzig |
| Hebrew | שבעים ושניים אלף שמונה מאות ארבעים |
| Hindi | बहत्तर हज़ार आठ सौ चालीस |
| Hungarian | hetvenkettőezernyolcszáznegyven |
| Icelandic | sjötíu og tvö þúsund og áttahundrað og fjörutíu |
| Indonesian | tujuh puluh dua ribu delapan ratus empat puluh |
| Italian | settantaduemilaottocentoquaranta |
| Japanese | 七万二千八百四十 |
| Korean | 칠만 이천팔백사십 |
| Latvian | septiņdesmit divi tūkstoši astoņsimt četrdesmit |
| Lithuanian | septyniasdešimt du tūkstančiai aštuoni šimtai keturiasdešimt |
| Norwegian | syttito tusen åtte hundre og førti |
| Persian | هفتاد و دو هزار و هشتصد و چهل |
| Polish | siedemdziesiąt dwa tysiące osiemset czterdzieści |
| Portuguese | setenta e dois mil oitocentos e quarenta |
| Romanian | şaptezeci şi două mii opt sute patruzeci |
| Russian | семьдесят две тысячи восемьсот сорок |
| Serbian | седамдесет и две хиљада осамсто четрдесет |
| Slovak | sedemdesiatdve tisíc osemsto štyridsať |
| Slovene | sedemdeset dvije tisuću osemsto štirideset |
| Spanish | setenta y dos mil ochocientos cuarenta |
| Swahili | elfu sabini na mbili, mia nane na arobaini |
| Swedish | sjutiotvåtusenåttahundrafyrtio |
| Thai | เจ็ดหมื่นสองพันแปดร้อยสี่สิบ |
| Turkish | yetmiş iki bin sekiz yüz kırk |
| Ukrainian | сімдесят дві тисячі вісімсот сорок |
| Vietnamese | bảy mươi hai nghìn tám trăm bốn mươi |
| Number 72840 reversed | 04827 | |
| Unicode Character | U+11C88 | 𑲈 |
| Unix Timestamp | Thu, 01 Jan 1970 20:14:00 +0000 | |