72313788 has 24 divisors (see below), whose sum is σ = 172657408. Its totient is φ = 23543856.

The previous prime is 72313781. The next prime is 72313789. The reversal of 72313788 is 88731327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72313781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69556 + ... + 70587.

Almost surely, 2^72313788 is an apocalyptic number.

It is an amenable number.

72313788 is an abundant number, since it is smaller than the sum of its proper divisors (100343620).

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

72313788 is a wasteful number, since it uses less digits than its factorization.

72313788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140193 (or 140191 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 72313788 is about 8503.7514074672. The cubic root of 72313788 is about 416.6202455662.

The spelling of 72313788 in words is "seventy-two million, three hundred thirteen thousand, seven hundred eighty-eight".