75068931 has 24 divisors (see below), whose sum is σ = 116806224. Its totient is φ = 42759360.

The previous prime is 75068911. The next prime is 75068977. The reversal of 75068931 is 13986057.

It is not a de Polignac number, because 75068931 - 2⁵ = 75068899 is a prime.

It is a super-2 number, since 2×75068931² = 11270688802965522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75068931.

It is not an unprimeable number, because it can be changed into a prime (75068911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61281 + ... + 62493.

It is an arithmetic number, because the mean of its divisors is an integer number (4866926).

Almost surely, 2^75068931 is an apocalyptic number.

75068931 is a deficient number, since it is larger than the sum of its proper divisors (41737293).

75068931 is a wasteful number, since it uses less digits than its factorization.

75068931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 75068931 is about 8664.2328569816. The cubic root of 75068931 is about 421.8454901059.

The spelling of 75068931 in words is "seventy-five million, sixty-eight thousand, nine hundred thirty-one".