72715044 has 12 divisors (see below), whose sum is σ = 169668464. Its totient is φ = 24238344.

The previous prime is 72715039. The next prime is 72715127. The reversal of 72715044 is 44051727.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029782 + ... + 3029805.

Almost surely, 2^72715044 is an apocalyptic number.

It is an amenable number.

72715044 is an abundant number, since it is smaller than the sum of its proper divisors (96953420).

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

72715044 is a wasteful number, since it uses less digits than its factorization.

72715044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059594 (or 6059592 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 72715044 is about 8527.3116513940. The cubic root of 72715044 is about 417.3894078813.

The spelling of 72715044 in words is "seventy-two million, seven hundred fifteen thousand, forty-four".