72066116 has 24 divisors (see below), whose sum is σ = 127643040. Its totient is φ = 35600000.

The previous prime is 72066097. The next prime is 72066133. The reversal of 72066116 is 61166027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179516 + ... + 179916.

It is an arithmetic number, because the mean of its divisors is an integer number (5318460).

Almost surely, 2^72066116 is an apocalyptic number.

It is an amenable number.

72066116 is a deficient number, since it is larger than the sum of its proper divisors (55576924).

72066116 is a wasteful number, since it uses less digits than its factorization.

72066116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 72066116 is about 8489.1764029263. The cubic root of 72066116 is about 416.1440653026.

The spelling of 72066116 in words is "seventy-two million, sixty-six thousand, one hundred sixteen".