72079924 has 24 divisors (see below), whose sum is σ = 145651520. Its totient is φ = 30571776.

The previous prime is 72079913. The next prime is 72079961. The reversal of 72079924 is 42997027.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10554 + ... + 15985.

Almost surely, 2^72079924 is an apocalyptic number.

It is an amenable number.

72079924 is an abundant number, since it is smaller than the sum of its proper divisors (73571596).

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

72079924 is a wasteful number, since it uses less digits than its factorization.

72079924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26647 (or 26645 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 72079924 is about 8489.9896348582. The cubic root of 72079924 is about 416.1706415940.

The spelling of 72079924 in words is "seventy-two million, seventy-nine thousand, nine hundred twenty-four".