72700504 has 8 divisors (see below), whose sum is σ = 136313460. Its totient is φ = 36350248.

The previous prime is 72700501. The next prime is 72700519. The reversal of 72700504 is 40500727.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72700501) by changing a digit.

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 as a sum of consecutive naturals, namely, 4543774 + ... + 4543789.

Almost surely, 2^72700504 is an apocalyptic number.

It is an amenable number.

72700504 is a deficient number, since it is larger than the sum of its proper divisors (63612956).

72700504 is a wasteful number, since it uses less digits than its factorization.

72700504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087569 (or 9087565 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 72700504 is about 8526.4590540271. The cubic root of 72700504 is about 417.3615858231.

The spelling of 72700504 in words is "seventy-two million, seven hundred thousand, five hundred four".