72322344 has 24 divisors (see below), whose sum is σ = 195873210. Its totient is φ = 24107424.

The previous prime is 72322337. The next prime is 72322357. The reversal of 72322344 is 44322327.

It can be written as a sum of positive squares in only one way, i.e., 58706244 + 13616100 = 7662^2 + 3690^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502167 + ... + 502310.

Almost surely, 2^72322344 is an apocalyptic number.

It is an amenable number.

72322344 is an abundant number, since it is smaller than the sum of its proper divisors (123550866).

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

72322344 is a wasteful number, since it uses less digits than its factorization.

72322344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004489 (or 1004482 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 72322344 is about 8504.2544646783. The cubic root of 72322344 is about 416.6366760992.

The spelling of 72322344 in words is "seventy-two million, three hundred twenty-two thousand, three hundred forty-four".