72719292 has 12 divisors (see below), whose sum is σ = 169678376. Its totient is φ = 24239760.

The previous prime is 72719291. The next prime is 72719299. The reversal of 72719292 is 29291727.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 72719292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72719291) 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, 3029959 + ... + 3029982.

Almost surely, 2^72719292 is an apocalyptic number.

It is an amenable number.

72719292 is an abundant number, since it is smaller than the sum of its proper divisors (96959084).

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

72719292 is a wasteful number, since it uses less digits than its factorization.

72719292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059948 (or 6059946 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 72719292 is about 8527.5607297750. The cubic root of 72719292 is about 417.3975356614.

The spelling of 72719292 in words is "seventy-two million, seven hundred nineteen thousand, two hundred ninety-two".