72742504 has 16 divisors (see below), whose sum is σ = 136483200. Its totient is φ = 36346992.

The previous prime is 72742493. The next prime is 72742513. The reversal of 72742504 is 40524727.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19977 + ... + 23335.

It is an arithmetic number, because the mean of its divisors is an integer number (8530200).

Almost surely, 2^72742504 is an apocalyptic number.

It is an amenable number.

72742504 is a deficient number, since it is larger than the sum of its proper divisors (63740696).

72742504 is a wasteful number, since it uses less digits than its factorization.

72742504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072 (or 6068 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 72742504 is about 8528.9216199939. The cubic root of 72742504 is about 417.4419420385.

The spelling of 72742504 in words is "seventy-two million, seven hundred forty-two thousand, five hundred four".