72950724 has 72 divisors (see below), whose sum is σ = 229914048. Its totient is φ = 18947520.

The previous prime is 72950707. The next prime is 72950749. The reversal of 72950724 is 42705927.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10387 + ... + 15930.

Almost surely, 2^72950724 is an apocalyptic number.

It is an amenable number.

72950724 is an abundant number, since it is smaller than the sum of its proper divisors (156963324).

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

72950724 is a wasteful number, since it uses less digits than its factorization.

72950724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26345 (or 26340 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 72950724 is about 8541.1195987411. The cubic root of 72950724 is about 417.8398614311.

The spelling of 72950724 in words is "seventy-two million, nine hundred fifty thousand, seven hundred twenty-four".