72258924 has 12 divisors (see below), whose sum is σ = 168604184. Its totient is φ = 24086304.

The previous prime is 72258883. The next prime is 72258937. The reversal of 72258924 is 42985227.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3010777 + ... + 3010800.

Almost surely, 2^72258924 is an apocalyptic number.

It is an amenable number.

72258924 is an abundant number, since it is smaller than the sum of its proper divisors (96345260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72258924 is a wasteful number, since it uses less digits than its factorization.

72258924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021584 (or 6021582 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 72258924 is about 8500.5249249679. The cubic root of 72258924 is about 416.5148565533.

The spelling of 72258924 in words is "seventy-two million, two hundred fifty-eight thousand, nine hundred twenty-four".