72045176 has 16 divisors (see below), whose sum is σ = 154382640. Its totient is φ = 30876480.

The previous prime is 72045161. The next prime is 72045199. The reversal of 72045176 is 67154027.

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, 643205 + ... + 643316.

It is an arithmetic number, because the mean of its divisors is an integer number (9648915).

Almost surely, 2^72045176 is an apocalyptic number.

It is an amenable number.

72045176 is an abundant number, since it is smaller than the sum of its proper divisors (82337464).

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

72045176 is a wasteful number, since it uses less digits than its factorization.

72045176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286534 (or 1286530 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 72045176 is about 8487.9429781308. The cubic root of 72045176 is about 416.1037555548.

The spelling of 72045176 in words is "seventy-two million, forty-five thousand, one hundred seventy-six".