72630924 has 12 divisors (see below), whose sum is σ = 169472184. Its totient is φ = 24210304.

The previous prime is 72630911. The next prime is 72630949. The reversal of 72630924 is 42903627.

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

It is a super-2 number, since 2×72630924² = 10550502242187552, which contains 22 as substring.

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, 3026277 + ... + 3026300.

It is an arithmetic number, because the mean of its divisors is an integer number (14122682).

Almost surely, 2^72630924 is an apocalyptic number.

It is an amenable number.

72630924 is an abundant number, since it is smaller than the sum of its proper divisors (96841260).

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

72630924 is a wasteful number, since it uses less digits than its factorization.

72630924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052584 (or 6052582 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 72630924 is about 8522.3778372001. The cubic root of 72630924 is about 417.2283942266.

The spelling of 72630924 in words is "seventy-two million, six hundred thirty thousand, nine hundred twenty-four".