72964344 has 32 divisors (see below), whose sum is σ = 182689920. Its totient is φ = 24284256.

The previous prime is 72964343. The next prime is 72964361. The reversal of 72964344 is 44346927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72964343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16957 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (5709060).

Almost surely, 2^72964344 is an apocalyptic number.

It is an amenable number.

72964344 is an abundant number, since it is smaller than the sum of its proper divisors (109725576).

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

72964344 is a wasteful number, since it uses less digits than its factorization.

72964344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4655 counting only the distinct ones).

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

The square root of 72964344 is about 8541.9168808880. The cubic root of 72964344 is about 417.8658635710.

The spelling of 72964344 in words is "seventy-two million, nine hundred sixty-four thousand, three hundred forty-four".