72916824 has 16 divisors (see below), whose sum is σ = 182292120. Its totient is φ = 24305600.

The previous prime is 72916799. The next prime is 72916841. The reversal of 72916824 is 42861927.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1519077 + ... + 1519124.

Almost surely, 2^72916824 is an apocalyptic number.

It is an amenable number.

72916824 is an abundant number, since it is smaller than the sum of its proper divisors (109375296).

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

72916824 is a wasteful number, since it uses less digits than its factorization.

72916824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038210 (or 3038206 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 72916824 is about 8539.1348507914. The cubic root of 72916824 is about 417.7751283931.

The spelling of 72916824 in words is "seventy-two million, nine hundred sixteen thousand, eight hundred twenty-four".