72164582 has 16 divisors (see below), whose sum is σ = 125102880. Its totient is φ = 30579648.

The previous prime is 72164539. The next prime is 72164597. The reversal of 72164582 is 28546127.

It is a congruent number.

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, 27713 + ... + 30204.

It is an arithmetic number, because the mean of its divisors is an integer number (7818930).

Almost surely, 2^72164582 is an apocalyptic number.

72164582 is a deficient number, since it is larger than the sum of its proper divisors (52938298).

72164582 is a wasteful number, since it uses less digits than its factorization.

72164582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58015.

The product of its digits is 26880, while the sum is 35.

The square root of 72164582 is about 8494.9739257987. The cubic root of 72164582 is about 416.3335089029. Note that the first 3 decimals are identical.

The spelling of 72164582 in words is "seventy-two million, one hundred sixty-four thousand, five hundred eighty-two".