68747573832 has 256 divisors, whose sum is σ = 209410375680. Its totient is φ = 18390758400.

The previous prime is 68747573803. The next prime is 68747573857. The reversal of 68747573832 is 23837574786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37960207 + ... + 37962017.

It is an arithmetic number, because the mean of its divisors is an integer number (818009280).

Almost surely, 2^68747573832 is an apocalyptic number.

68747573832 is a gapful number since it is divisible by the number (62) 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 68747573832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104705187840).

68747573832 is an abundant number, since it is smaller than the sum of its proper divisors (140662801848).

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

68747573832 is a wasteful number, since it uses less digits than its factorization.

68747573832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2088 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 68747573832 in words is "sixty-eight billion, seven hundred forty-seven million, five hundred seventy-three thousand, eight hundred thirty-two".