72915025 has 12 divisors (see below), whose sum is σ = 91561600. Its totient is φ = 57592080.

The previous prime is 72915013. The next prime is 72915041. The reversal of 72915025 is 52051927.

It is not a de Polignac number, because 72915025 - 2¹³ = 72906833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16485 + ... + 20434.

Almost surely, 2^72915025 is an apocalyptic number.

It is an amenable number.

72915025 is a deficient number, since it is larger than the sum of its proper divisors (18646575).

72915025 is a wasteful number, since it uses less digits than its factorization.

72915025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37008 (or 37003 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 72915025 is about 8539.0295116014. The cubic root of 72915025 is about 417.7716925896.

The spelling of 72915025 in words is "seventy-two million, nine hundred fifteen thousand, twenty-five".