72625648 has 20 divisors (see below), whose sum is σ = 142495840. Its totient is φ = 35852544.

The previous prime is 72625639. The next prime is 72625661. The reversal of 72625648 is 84652627.

It is a self number, because there is not a number n which added to its sum of digits gives 72625648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27465 + ... + 29992.

It is an arithmetic number, because the mean of its divisors is an integer number (7124792).

Almost surely, 2^72625648 is an apocalyptic number.

It is an amenable number.

72625648 is a deficient number, since it is larger than the sum of its proper divisors (69870192).

72625648 is a wasteful number, since it uses less digits than its factorization.

72625648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57544 (or 57538 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 72625648 is about 8522.0682935541. The cubic root of 72625648 is about 417.2182913201.

The spelling of 72625648 in words is "seventy-two million, six hundred twenty-five thousand, six hundred forty-eight".