68644792 has 16 divisors (see below), whose sum is σ = 128797200. Its totient is φ = 34298880.

The previous prime is 68644787. The next prime is 68644799. The reversal of 68644792 is 29744686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68644799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19917 + ... + 23107.

It is an arithmetic number, because the mean of its divisors is an integer number (8049825).

Almost surely, 2^68644792 is an apocalyptic number.

It is an amenable number.

68644792 is a deficient number, since it is larger than the sum of its proper divisors (60152408).

68644792 is a wasteful number, since it uses less digits than its factorization.

68644792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5882 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 68644792 is about 8285.2152657611. The cubic root of 68644792 is about 409.4515609736.

The spelling of 68644792 in words is "sixty-eight million, six hundred forty-four thousand, seven hundred ninety-two".