68130071742 has 64 divisors (see below), whose sum is σ = 140579770176. Its totient is φ = 22002140160.

The previous prime is 68130071689. The next prime is 68130071773. The reversal of 68130071742 is 24717003186.

It is a self number, because there is not a number n which added to its sum of digits gives 68130071742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29201608 + ... + 29203940.

It is an arithmetic number, because the mean of its divisors is an integer number (2196558909).

Almost surely, 2^68130071742 is an apocalyptic number.

68130071742 is an abundant number, since it is smaller than the sum of its proper divisors (72449698434).

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

68130071742 is a wasteful number, since it uses less digits than its factorization.

68130071742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 68130071742 in words is "sixty-eight billion, one hundred thirty million, seventy-one thousand, seven hundred forty-two".