73056931 has 2 divisors, whose sum is σ = 73056932. Its totient is φ = 73056930.

The previous prime is 73056883. The next prime is 73056943. The reversal of 73056931 is 13965037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73056931 - 2¹⁷ = 72925859 is a prime.

It is a super-2 number, since 2×73056931² = 10674630334277522, which contains 22 as substring.

It is equal to p_4287238 and since 73056931 and 4287238 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73056031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36528465 + 36528466.

It is an arithmetic number, because the mean of its divisors is an integer number (36528466).

Almost surely, 2^73056931 is an apocalyptic number.

73056931 is a deficient number, since it is larger than the sum of its proper divisors (1).

73056931 is an equidigital number, since it uses as much as digits as its factorization.

73056931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 73056931 is about 8547.3347307801. The cubic root of 73056931 is about 418.0425370507.

The spelling of 73056931 in words is "seventy-three million, fifty-six thousand, nine hundred thirty-one".