72595931 has 2 divisors, whose sum is σ = 72595932. Its totient is φ = 72595930.

The previous prime is 72595927. The next prime is 72595973. The reversal of 72595931 is 13959527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72595931 - 2² = 72595927 is a prime.

It is a super-2 number, since 2×72595931² = 10540338395513522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72595031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36297965 + 36297966.

It is an arithmetic number, because the mean of its divisors is an integer number (36297966).

Almost surely, 2^72595931 is an apocalyptic number.

72595931 is a deficient number, since it is larger than the sum of its proper divisors (1).

72595931 is an equidigital number, since it uses as much as digits as its factorization.

72595931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 41.

The square root of 72595931 is about 8520.3245830191. The cubic root of 72595931 is about 417.1613776917.

The spelling of 72595931 in words is "seventy-two million, five hundred ninety-five thousand, nine hundred thirty-one".