72100568 has 16 divisors (see below), whose sum is σ = 138842880. Its totient is φ = 35075808.

The previous prime is 72100529. The next prime is 72100627. The reversal of 72100568 is 86500127.

It is a self number, because there is not a number n which added to its sum of digits gives 72100568.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 121496 + ... + 122087.

It is an arithmetic number, because the mean of its divisors is an integer number (8677680).

Almost surely, 2^72100568 is an apocalyptic number.

It is an amenable number.

72100568 is a deficient number, since it is larger than the sum of its proper divisors (66742312).

72100568 is a wasteful number, since it uses less digits than its factorization.

72100568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243626 (or 243622 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 72100568 is about 8491.2053325779. The cubic root of 72100568 is about 416.2103688217.

The spelling of 72100568 in words is "seventy-two million, one hundred thousand, five hundred sixty-eight".