68912792 has 24 divisors (see below), whose sum is σ = 139918140. Its totient is φ = 31805280.

The previous prime is 68912771. The next prime is 68912797. The reversal of 68912792 is 29721986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68912797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24134 + ... + 26837.

Almost surely, 2^68912792 is an apocalyptic number.

It is an amenable number.

68912792 is an abundant number, since it is smaller than the sum of its proper divisors (71005348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68912792 is a wasteful number, since it uses less digits than its factorization.

68912792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51003 (or 50986 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 68912792 is about 8301.3728985030. The cubic root of 68912792 is about 409.9837233277.

The spelling of 68912792 in words is "sixty-eight million, nine hundred twelve thousand, seven hundred ninety-two".