68740433796 has 24 divisors (see below), whose sum is σ = 160401931200. Its totient is φ = 22912394272.

The previous prime is 68740433789. The next prime is 68740433809. The reversal of 68740433796 is 69733404786.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153505 + ... + 401303.

It is an arithmetic number, because the mean of its divisors is an integer number (6683413800).

Almost surely, 2^68740433796 is an apocalyptic number.

It is an amenable number.

68740433796 is an abundant number, since it is smaller than the sum of its proper divisors (91661497404).

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

68740433796 is a wasteful number, since it uses less digits than its factorization.

68740433796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270923 (or 270921 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 68740433796 in words is "sixty-eight billion, seven hundred forty million, four hundred thirty-three thousand, seven hundred ninety-six".