72702704 has 20 divisors (see below), whose sum is σ = 141002880. Its totient is φ = 36314880.

The previous prime is 72702703. The next prime is 72702709. The reversal of 72702704 is 40720727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72702703) 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 3 ways as a sum of consecutive naturals, for example, 21992 + ... + 25080.

It is an arithmetic number, because the mean of its divisors is an integer number (7050144).

Almost surely, 2^72702704 is an apocalyptic number.

It is an amenable number.

72702704 is a deficient number, since it is larger than the sum of its proper divisors (68300176).

72702704 is a wasteful number, since it uses less digits than its factorization.

72702704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 72702704 is about 8526.5880632290. The cubic root of 72702704 is about 417.3657957262.

The spelling of 72702704 in words is "seventy-two million, seven hundred two thousand, seven hundred four".