72912596 has 12 divisors (see below), whose sum is σ = 130709460. Its totient is φ = 35567040.

The previous prime is 72912571. The next prime is 72912611. The reversal of 72912596 is 69521927.

It can be written as a sum of positive squares in 2 ways, for example, as 7075600 + 65836996 = 2660^2 + 8114^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 222131 + ... + 222458.

It is an arithmetic number, because the mean of its divisors is an integer number (10892455).

Almost surely, 2^72912596 is an apocalyptic number.

It is an amenable number.

72912596 is a deficient number, since it is larger than the sum of its proper divisors (57796864).

72912596 is a wasteful number, since it uses less digits than its factorization.

72912596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444634 (or 444632 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 72912596 is about 8538.8872811392. The cubic root of 72912596 is about 417.7670534967.

The spelling of 72912596 in words is "seventy-two million, nine hundred twelve thousand, five hundred ninety-six".