72555152 has 20 divisors (see below), whose sum is σ = 141043056. Its totient is φ = 36156960.

The previous prime is 72555151. The next prime is 72555163. The reversal of 72555152 is 25155527.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72555151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474 + ... + 12297.

Almost surely, 2^72555152 is an apocalyptic number.

It is an amenable number.

72555152 is a deficient number, since it is larger than the sum of its proper divisors (68487904).

72555152 is a wasteful number, since it uses less digits than its factorization.

72555152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15086 (or 15080 counting only the distinct ones).

The product of its digits is 17500, while the sum is 32.

The square root of 72555152 is about 8517.9312042303. The cubic root of 72555152 is about 417.0832529730.

The spelling of 72555152 in words is "seventy-two million, five hundred fifty-five thousand, one hundred fifty-two".