72525507 has 8 divisors (see below), whose sum is σ = 96757584. Its totient is φ = 48321888.

The previous prime is 72525503. The next prime is 72525521. The reversal of 72525507 is 70552527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72525507 - 2² = 72525503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72525503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (12094698).

Almost surely, 2^72525507 is an apocalyptic number.

72525507 is a deficient number, since it is larger than the sum of its proper divisors (24232077).

72525507 is a wasteful number, since it uses less digits than its factorization.

72525507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14229.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 72525507 is about 8516.1908738590. The cubic root of 72525507 is about 417.0264404791.

The spelling of 72525507 in words is "seventy-two million, five hundred twenty-five thousand, five hundred seven".