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72674471 is a prime number
BaseRepresentation
bin1000101010011…
…10110010100111
312001202020122002
410111032302213
5122101040341
611113355515
71541502632
oct425166247
9161666562
1072674471
1138028451
1220408b9b
1312096c5c
14991ac19
1565a829b
hex454eca7

72674471 has 2 divisors, whose sum is σ = 72674472. Its totient is φ = 72674470.

The previous prime is 72674461. The next prime is 72674479. The reversal of 72674471 is 17447627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72674471 - 226 = 5565607 is a prime.

It is a super-3 number, since 3×726744713 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72674479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36337235 + 36337236.

It is an arithmetic number, because the mean of its divisors is an integer number (36337236).

Almost surely, 272674471 is an apocalyptic number.

72674471 is a deficient number, since it is larger than the sum of its proper divisors (1).

72674471 is an equidigital number, since it uses as much as digits as its factorization.

72674471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 72674471 is about 8524.9323164469. The cubic root of 72674471 is about 417.3117628246.

The spelling of 72674471 in words is "seventy-two million, six hundred seventy-four thousand, four hundred seventy-one".