72196384 has 24 divisors (see below), whose sum is σ = 153071100. Its totient is φ = 33321216.

The previous prime is 72196357. The next prime is 72196387. The reversal of 72196384 is 48369127.

It can be written as a sum of positive squares in 2 ways, for example, as 63552784 + 8643600 = 7972^2 + 2940^2 .

It is not an unprimeable number, because it can be changed into a prime (72196387) 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, 86359 + ... + 87190.

Almost surely, 2^72196384 is an apocalyptic number.

It is an amenable number.

72196384 is an abundant number, since it is smaller than the sum of its proper divisors (80874716).

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

72196384 is a wasteful number, since it uses less digits than its factorization.

72196384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173572 (or 173564 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 72196384 is about 8496.8455323137. The cubic root of 72196384 is about 416.3946575229.

The spelling of 72196384 in words is "seventy-two million, one hundred ninety-six thousand, three hundred eighty-four".