72086692 has 48 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 32426240.

The previous prime is 72086683. The next prime is 72086699. The reversal of 72086692 is 29668027.

It is not an unprimeable number, because it can be changed into a prime (72086699) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109059 + ... + 109717.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^72086692 is an apocalyptic number.

It is an amenable number.

72086692 is a deficient number, since it is larger than the sum of its proper divisors (67622108).

72086692 is a wasteful number, since it uses less digits than its factorization.

72086692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 72086692 is about 8490.3882125613. The cubic root of 72086692 is about 416.1836667407.

The spelling of 72086692 in words is "seventy-two million, eighty-six thousand, six hundred ninety-two".