68681725702 has 16 divisors (see below), whose sum is σ = 103139304912. Its totient is φ = 34301982880.

The previous prime is 68681725657. The next prime is 68681725703. The reversal of 68681725702 is 20752718686.

It is a self number, because there is not a number n which added to its sum of digits gives 68681725702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68681725703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7853052 + ... + 7861792.

It is an arithmetic number, because the mean of its divisors is an integer number (6446206557).

Almost surely, 2^68681725702 is an apocalyptic number.

68681725702 is a deficient number, since it is larger than the sum of its proper divisors (34457579210).

68681725702 is a wasteful number, since it uses less digits than its factorization.

68681725702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 68681725702 in words is "sixty-eight billion, six hundred eighty-one million, seven hundred twenty-five thousand, seven hundred two".