68702532820 has 48 divisors (see below), whose sum is σ = 160802228160. Its totient is φ = 24503192064.

The previous prime is 68702532809. The next prime is 68702532827. The reversal of 68702532820 is 2823520786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68702532827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311074 + ... + 5323993.

It is an arithmetic number, because the mean of its divisors is an integer number (3350046420).

Almost surely, 2^68702532820 is an apocalyptic number.

It is an amenable number.

68702532820 is an abundant number, since it is smaller than the sum of its proper divisors (92099695340).

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

68702532820 is a wasteful number, since it uses less digits than its factorization.

68702532820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635112 (or 10635110 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 68702532820 in words is "sixty-eight billion, seven hundred two million, five hundred thirty-two thousand, eight hundred twenty".