68707017732 has 96 divisors (see below), whose sum is σ = 175073673600. Its totient is φ = 20888727552.

The previous prime is 68707017689. The next prime is 68707017763. The reversal of 68707017732 is 23771070786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2319318 + ... + 2348754.

It is an arithmetic number, because the mean of its divisors is an integer number (1823684100).

Almost surely, 2^68707017732 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 68707017732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87536836800).

68707017732 is an abundant number, since it is smaller than the sum of its proper divisors (106366655868).

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

68707017732 is a wasteful number, since it uses less digits than its factorization.

68707017732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29845 (or 29843 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 68707017732 in words is "sixty-eight billion, seven hundred seven million, seventeen thousand, seven hundred thirty-two".