72384732 has 48 divisors (see below), whose sum is σ = 214475520. Its totient is φ = 20681136.

The previous prime is 72384709. The next prime is 72384743. The reversal of 72384732 is 23748327.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47118 + ... + 48629.

It is an arithmetic number, because the mean of its divisors is an integer number (4468240).

Almost surely, 2^72384732 is an apocalyptic number.

It is an amenable number.

72384732 is an abundant number, since it is smaller than the sum of its proper divisors (142090788).

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

72384732 is a wasteful number, since it uses less digits than its factorization.

72384732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95767 (or 95759 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 72384732 is about 8507.9217203733. The cubic root of 72384732 is about 416.7564438725.

The spelling of 72384732 in words is "seventy-two million, three hundred eighty-four thousand, seven hundred thirty-two".