72153025 has 12 divisors (see below), whose sum is σ = 102251392. Its totient is φ = 49476240.

The previous prime is 72152999. The next prime is 72153031. The reversal of 72153025 is 52035127.

It is not a de Polignac number, because 72153025 - 2⁹ = 72152513 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

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, 205977 + ... + 206326.

Almost surely, 2^72153025 is an apocalyptic number.

It is an amenable number.

72153025 is a deficient number, since it is larger than the sum of its proper divisors (30098367).

72153025 is a wasteful number, since it uses less digits than its factorization.

72153025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412320 (or 412315 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 72153025 is about 8494.2936728135. The cubic root of 72153025 is about 416.3112827494.

The spelling of 72153025 in words is "seventy-two million, one hundred fifty-three thousand, twenty-five".