68704345696 has 144 divisors (see below), whose sum is σ = 166814992512. Its totient is φ = 27724032000.

The previous prime is 68704345681. The next prime is 68704345861. The reversal of 68704345696 is 69654340786.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68704345696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1779396 + ... + 1817596.

It is an arithmetic number, because the mean of its divisors is an integer number (1158437448).

Almost surely, 2^68704345696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68704345696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83407496256).

68704345696 is an abundant number, since it is smaller than the sum of its proper divisors (98110646816).

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

68704345696 is a wasteful number, since it uses less digits than its factorization.

68704345696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38293 (or 38278 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 68704345696 in words is "sixty-eight billion, seven hundred four million, three hundred forty-five thousand, six hundred ninety-six".