72880568 has 8 divisors (see below), whose sum is σ = 136651080. Its totient is φ = 36440280.

The previous prime is 72880559. The next prime is 72880579. The reversal of 72880568 is 86508827.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4555028 + ... + 4555043.

It is an arithmetic number, because the mean of its divisors is an integer number (17081385).

Almost surely, 2^72880568 is an apocalyptic number.

It is an amenable number.

72880568 is a deficient number, since it is larger than the sum of its proper divisors (63770512).

72880568 is a wasteful number, since it uses less digits than its factorization.

72880568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110077 (or 9110073 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 72880568 is about 8537.0116551402. The cubic root of 72880568 is about 417.7058742970.

The spelling of 72880568 in words is "seventy-two million, eight hundred eighty thousand, five hundred sixty-eight".