68399792 has 20 divisors (see below), whose sum is σ = 138287280. Its totient is φ = 32712768.

The previous prime is 68399761. The next prime is 68399797. The reversal of 68399792 is 29799386.

It is not an unprimeable number, because it can be changed into a prime (68399797) 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 3 ways as a sum of consecutive naturals, for example, 92567 + ... + 93302.

It is an arithmetic number, because the mean of its divisors is an integer number (6914364).

Almost surely, 2^68399792 is an apocalyptic number.

It is an amenable number.

68399792 is an abundant number, since it is smaller than the sum of its proper divisors (69887488).

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

68399792 is a wasteful number, since it uses less digits than its factorization.

68399792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185900 (or 185894 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 68399792 is about 8270.4166763229. The cubic root of 68399792 is about 408.9638560209.

The spelling of 68399792 in words is "sixty-eight million, three hundred ninety-nine thousand, seven hundred ninety-two".