72825628 has 6 divisors (see below), whose sum is σ = 127444856. Its totient is φ = 36412812.

The previous prime is 72825601. The next prime is 72825631. The reversal of 72825628 is 82652827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9103200 + ... + 9103207.

Almost surely, 2^72825628 is an apocalyptic number.

It is an amenable number.

72825628 is a deficient number, since it is larger than the sum of its proper divisors (54619228).

72825628 is a wasteful number, since it uses less digits than its factorization.

72825628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18206411 (or 18206409 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 72825628 is about 8533.7932948953. The cubic root of 72825628 is about 417.6008873285.

The spelling of 72825628 in words is "seventy-two million, eight hundred twenty-five thousand, six hundred twenty-eight".