72625715 has 32 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 53424000.

The previous prime is 72625673. The next prime is 72625757. The reversal of 72625715 is 51752627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72625673) and next prime (72625757).

It is not a de Polignac number, because 72625715 - 2²² = 68431411 is a prime.

It is a super-2 number, since 2×72625715² = 10548988958522450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480890 + ... + 481040.

It is an arithmetic number, because the mean of its divisors is an integer number (2954880).

Almost surely, 2^72625715 is an apocalyptic number.

72625715 is a deficient number, since it is larger than the sum of its proper divisors (21930445).

72625715 is a wasteful number, since it uses less digits than its factorization.

72625715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 29400, while the sum is 35.

The square root of 72625715 is about 8522.0722245238. The cubic root of 72625715 is about 417.2184196201.

The spelling of 72625715 in words is "seventy-two million, six hundred twenty-five thousand, seven hundred fifteen".