72904584 has 16 divisors (see below), whose sum is σ = 182261520. Its totient is φ = 24301520.

The previous prime is 72904583. The next prime is 72904609. The reversal of 72904584 is 48540927.

It is not an unprimeable number, because it can be changed into a prime (72904583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518822 + ... + 1518869.

It is an arithmetic number, because the mean of its divisors is an integer number (11391345).

Almost surely, 2^72904584 is an apocalyptic number.

It is an amenable number.

72904584 is an abundant number, since it is smaller than the sum of its proper divisors (109356936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72904584 is a wasteful number, since it uses less digits than its factorization.

72904584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037700 (or 3037696 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 72904584 is about 8538.4181204717. The cubic root of 72904584 is about 417.7517508265.

The spelling of 72904584 in words is "seventy-two million, nine hundred four thousand, five hundred eighty-four".