68100580730 has 96 divisors (see below), whose sum is σ = 154973483280. Its totient is φ = 21354762240.

The previous prime is 68100580711. The next prime is 68100580733. The reversal of 68100580730 is 3708500186.

It can be written as a sum of positive squares in 8 ways, for example, as 6754702969 + 61345877761 = 82187^2 + 247681^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68100580733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 645290 + ... + 743370.

Almost surely, 2^68100580730 is an apocalyptic number.

68100580730 is an abundant number, since it is smaller than the sum of its proper divisors (86872902550).

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

68100580730 is a wasteful number, since it uses less digits than its factorization.

68100580730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98224 (or 98217 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 68100580730 in words is "sixty-eight billion, one hundred million, five hundred eighty thousand, seven hundred thirty".