74292872 has 16 divisors (see below), whose sum is σ = 139620240. Its totient is φ = 37060816.

The previous prime is 74292847. The next prime is 74292893. The reversal of 74292872 is 27829247.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6938 + ... + 14025.

It is an arithmetic number, because the mean of its divisors is an integer number (8726265).

Almost surely, 2^74292872 is an apocalyptic number.

It is an amenable number.

74292872 is a deficient number, since it is larger than the sum of its proper divisors (65327368).

74292872 is a wasteful number, since it uses less digits than its factorization.

74292872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21412 (or 21408 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 74292872 is about 8619.3312965682. The cubic root of 74292872 is about 420.3867790035.

It can be divided in two parts, 7429 and 2872, that added together give a palindrome (10301).

The spelling of 74292872 in words is "seventy-four million, two hundred ninety-two thousand, eight hundred seventy-two".