74992931 has 8 divisors (see below), whose sum is σ = 81595584. Its totient is φ = 68509440.

The previous prime is 74992921. The next prime is 74992979. The reversal of 74992931 is 13929947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74992931 - 2¹⁴ = 74976547 is a prime.

It is a super-2 number, since 2×74992931² = 11247879399941522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74992901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28475 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (10199448).

Almost surely, 2^74992931 is an apocalyptic number.

74992931 is a deficient number, since it is larger than the sum of its proper divisors (6602653).

74992931 is a wasteful number, since it uses less digits than its factorization.

74992931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59581.

The product of its digits is 122472, while the sum is 44.

The square root of 74992931 is about 8659.8458993218. The cubic root of 74992931 is about 421.7030828446.

The spelling of 74992931 in words is "seventy-four million, nine hundred ninety-two thousand, nine hundred thirty-one".