72593292 has 12 divisors (see below), whose sum is σ = 169384376. Its totient is φ = 24197760.

The previous prime is 72593273. The next prime is 72593321. The reversal of 72593292 is 29239527.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 72593292.

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, 3024709 + ... + 3024732.

Almost surely, 2^72593292 is an apocalyptic number.

It is an amenable number.

72593292 is an abundant number, since it is smaller than the sum of its proper divisors (96791084).

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

72593292 is a wasteful number, since it uses less digits than its factorization.

72593292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049448 (or 6049446 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 72593292 is about 8520.1697166195. The cubic root of 72593292 is about 417.1563227609.

The spelling of 72593292 in words is "seventy-two million, five hundred ninety-three thousand, two hundred ninety-two".