72872925 has 12 divisors (see below), whose sum is σ = 120483360. Its totient is φ = 38865520.

The previous prime is 72872887. The next prime is 72872929. The reversal of 72872925 is 52927827.

It is a happy number.

It is not a de Polignac number, because 72872925 - 2⁸ = 72872669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72872929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485745 + ... + 485894.

It is an arithmetic number, because the mean of its divisors is an integer number (10040280).

Almost surely, 2^72872925 is an apocalyptic number.

72872925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72872925 is a deficient number, since it is larger than the sum of its proper divisors (47610435).

72872925 is a wasteful number, since it uses less digits than its factorization.

72872925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971652 (or 971647 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 72872925 is about 8536.5640043287. The cubic root of 72872925 is about 417.6912721532.

The spelling of 72872925 in words is "seventy-two million, eight hundred seventy-two thousand, nine hundred twenty-five".