72808944 has 40 divisors (see below), whose sum is σ = 202559952. Its totient is φ = 22402560.

The previous prime is 72808927. The next prime is 72808963. The reversal of 72808944 is 44980827.

It is a super-2 number, since 2×72808944² = 10602284652790272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72808896 and 72808905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57717 + ... + 58964.

Almost surely, 2^72808944 is an apocalyptic number.

It is an amenable number.

72808944 is an abundant number, since it is smaller than the sum of its proper divisors (129751008).

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

72808944 is a wasteful number, since it uses less digits than its factorization.

72808944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116705 (or 116699 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 72808944 is about 8532.8157134676. The cubic root of 72808944 is about 417.5689947768.

The spelling of 72808944 in words is "seventy-two million, eight hundred eight thousand, nine hundred forty-four".