72025136 has 20 divisors (see below), whose sum is σ = 140409912. Its totient is φ = 35790336.

The previous prime is 72025127. The next prime is 72025139. The reversal of 72025136 is 63152027.

It is not an unprimeable number, because it can be changed into a prime (72025139) 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, 11201 + ... + 16416.

Almost surely, 2^72025136 is an apocalyptic number.

It is an amenable number.

72025136 is a deficient number, since it is larger than the sum of its proper divisors (68384776).

72025136 is a wasteful number, since it uses less digits than its factorization.

72025136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27788 (or 27782 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 72025136 is about 8486.7623979937. The cubic root of 72025136 is about 416.0651710027.

The spelling of 72025136 in words is "seventy-two million, twenty-five thousand, one hundred thirty-six".