72708568 has 16 divisors (see below), whose sum is σ = 141030000. Its totient is φ = 35100576.

The previous prime is 72708557. The next prime is 72708593. The reversal of 72708568 is 86580727.

It is a happy number.

It is a super-2 number, since 2×72708568² = 10573071721221248, which contains 22 as substring.

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, 156468 + ... + 156931.

It is an arithmetic number, because the mean of its divisors is an integer number (8814375).

Almost surely, 2^72708568 is an apocalyptic number.

It is an amenable number.

72708568 is a deficient number, since it is larger than the sum of its proper divisors (68321432).

72708568 is a wasteful number, since it uses less digits than its factorization.

72708568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313434 (or 313430 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 72708568 is about 8526.9319218579. The cubic root of 72708568 is about 417.3770166166.

The spelling of 72708568 in words is "seventy-two million, seven hundred eight thousand, five hundred sixty-eight".