72364944 has 20 divisors (see below), whose sum is σ = 186942896. Its totient is φ = 24121632.

The previous prime is 72364927. The next prime is 72364949. The reversal of 72364944 is 44946327.

It is not an unprimeable number, because it can be changed into a prime (72364949) 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, 753754 + ... + 753849.

Almost surely, 2^72364944 is an apocalyptic number.

It is an amenable number.

72364944 is an abundant number, since it is smaller than the sum of its proper divisors (114577952).

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

72364944 is a wasteful number, since it uses less digits than its factorization.

72364944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507614 (or 1507608 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 72364944 is about 8506.7587246847. The cubic root of 72364944 is about 416.7184638184.

The spelling of 72364944 in words is "seventy-two million, three hundred sixty-four thousand, nine hundred forty-four".