72425164 has 24 divisors (see below), whose sum is σ = 145032608. Its totient is φ = 31000320.

The previous prime is 72425153. The next prime is 72425237. The reversal of 72425164 is 46152427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37732 + ... + 39604.

Almost surely, 2^72425164 is an apocalyptic number.

It is an amenable number.

72425164 is an abundant number, since it is smaller than the sum of its proper divisors (72607444).

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

72425164 is a wasteful number, since it uses less digits than its factorization.

72425164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3263 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 72425164 is about 8510.2975271138. The cubic root of 72425164 is about 416.8340254273.

The spelling of 72425164 in words is "seventy-two million, four hundred twenty-five thousand, one hundred sixty-four".