72304502524 has 12 divisors (see below), whose sum is σ = 126568577464. Its totient is φ = 36142051824.

The previous prime is 72304502521. The next prime is 72304502533. The reversal of 72304502524 is 42520540327.

It is a self number, because there is not a number n which added to its sum of digits gives 72304502524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72304502521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533899 + ... + 2562274.

Almost surely, 2^72304502524 is an apocalyptic number.

It is an amenable number.

72304502524 is a deficient number, since it is larger than the sum of its proper divisors (54264074940).

72304502524 is a wasteful number, since it uses less digits than its factorization.

72304502524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099724 (or 5099722 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 72304502524 in words is "seventy-two billion, three hundred four million, five hundred two thousand, five hundred twenty-four".