72388466 has 16 divisors (see below), whose sum is σ = 112622400. Its totient is φ = 34854288.

The previous prime is 72388409. The next prime is 72388487. The reversal of 72388466 is 66488327.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24041 + ... + 26883.

It is an arithmetic number, because the mean of its divisors is an integer number (7038900).

Almost surely, 2^72388466 is an apocalyptic number.

72388466 is a deficient number, since it is larger than the sum of its proper divisors (40233934).

72388466 is a wasteful number, since it uses less digits than its factorization.

72388466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its digits is 387072, while the sum is 44.

The square root of 72388466 is about 8508.1411600890. The cubic root of 72388466 is about 416.7636099408.

The spelling of 72388466 in words is "seventy-two million, three hundred eighty-eight thousand, four hundred sixty-six".