72583388 has 12 divisors (see below), whose sum is σ = 127090320. Its totient is φ = 36271872.

The previous prime is 72583337. The next prime is 72583391. The reversal of 72583388 is 88338527.

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, 5948 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (10590860).

Almost surely, 2^72583388 is an apocalyptic number.

It is an amenable number.

72583388 is a deficient number, since it is larger than the sum of its proper divisors (54506932).

72583388 is a wasteful number, since it uses less digits than its factorization.

72583388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916 (or 9914 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 72583388 is about 8519.5884877147. The cubic root of 72583388 is about 417.1373508330.

The spelling of 72583388 in words is "seventy-two million, five hundred eighty-three thousand, three hundred eighty-eight".