72786892 has 12 divisors (see below), whose sum is σ = 127607256. Its totient is φ = 36327680.

The previous prime is 72786871. The next prime is 72786893. The reversal of 72786892 is 29868727.

It is not an unprimeable number, because it can be changed into a prime (72786893) 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 3 ways as a sum of consecutive naturals, for example, 13909 + ... + 18412.

It is an arithmetic number, because the mean of its divisors is an integer number (10633938).

Almost surely, 2^72786892 is an apocalyptic number.

It is an amenable number.

72786892 is a deficient number, since it is larger than the sum of its proper divisors (54820364).

72786892 is a wasteful number, since it uses less digits than its factorization.

72786892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32888 (or 32886 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 72786892 is about 8531.5234278527. The cubic root of 72786892 is about 417.5268334672.

The spelling of 72786892 in words is "seventy-two million, seven hundred eighty-six thousand, eight hundred ninety-two".