72265425 has 24 divisors (see below), whose sum is σ = 124676544. Its totient is φ = 36864960.

The previous prime is 72265397. The next prime is 72265441. The reversal of 72265425 is 52456227.

It is not a de Polignac number, because 72265425 - 2⁸ = 72265169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19222 + ... + 22671.

It is an arithmetic number, because the mean of its divisors is an integer number (5194856).

Almost surely, 2^72265425 is an apocalyptic number.

72265425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72265425 is a deficient number, since it is larger than the sum of its proper divisors (52411119).

72265425 is a wasteful number, since it uses less digits than its factorization.

72265425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41929 (or 41924 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 72265425 is about 8500.9073045176. The cubic root of 72265425 is about 416.5273471992.

The spelling of 72265425 in words is "seventy-two million, two hundred sixty-five thousand, four hundred twenty-five".