72923715 has 48 divisors (see below), whose sum is σ = 130216320. Its totient is φ = 37739520.

The previous prime is 72923689. The next prime is 72923737. The reversal of 72923715 is 51732927.

It is not a de Polignac number, because 72923715 - 2⁶ = 72923651 is a prime.

Its product of digits (26460) is a multiple of the sum of its prime divisors (441).

It is a self number, because there is not a number n which added to its sum of digits gives 72923715.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259375 + ... + 259655.

It is an arithmetic number, because the mean of its divisors is an integer number (2712840).

Almost surely, 2^72923715 is an apocalyptic number.

72923715 is a deficient number, since it is larger than the sum of its proper divisors (57292605).

72923715 is a wasteful number, since it uses less digits than its factorization.

72923715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 72923715 is about 8539.5383364676. The cubic root of 72923715 is about 417.7882885828.

The spelling of 72923715 in words is "seventy-two million, nine hundred twenty-three thousand, seven hundred fifteen".