68723752704 has 432 divisors, whose sum is σ = 208885353600. Its totient is φ = 19977560064.

The previous prime is 68723752673. The next prime is 68723752817. The reversal of 68723752704 is 40725732786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223855719 + ... + 223856025.

Almost surely, 2^68723752704 is an apocalyptic number.

68723752704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68723752704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104442676800).

68723752704 is an abundant number, since it is smaller than the sum of its proper divisors (140161600896).

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

68723752704 is a wasteful number, since it uses less digits than its factorization.

68723752704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 68723752704 in words is "sixty-eight billion, seven hundred twenty-three million, seven hundred fifty-two thousand, seven hundred four".