72332384 has 12 divisors (see below), whose sum is σ = 142404444. Its totient is φ = 36166176.

The previous prime is 72332371. The next prime is 72332387. The reversal of 72332384 is 48323327.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2260387 = 72332384 / (7 + 2 + 3 + 3 + 2 + 3 + 8 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 72332384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72332387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130162 + ... + 1130225.

It is an arithmetic number, because the mean of its divisors is an integer number (11867037).

Almost surely, 2^72332384 is an apocalyptic number.

It is an amenable number.

72332384 is a deficient number, since it is larger than the sum of its proper divisors (70072060).

72332384 is a wasteful number, since it uses less digits than its factorization.

72332384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260397 (or 2260389 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 72332384 is about 8504.8447369720. The cubic root of 72332384 is about 416.6559547824.

The spelling of 72332384 in words is "seventy-two million, three hundred thirty-two thousand, three hundred eighty-four".