680747124 has 24 divisors (see below), whose sum is σ = 1672011040. Its totient is φ = 214972704.

The previous prime is 680747087. The next prime is 680747141. The reversal of 680747124 is 421747086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492639 + ... + 1493094.

Almost surely, 2^680747124 is an apocalyptic number.

It is an amenable number.

680747124 is an abundant number, since it is smaller than the sum of its proper divisors (991263916).

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

680747124 is a wasteful number, since it uses less digits than its factorization.

680747124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985759 (or 2985757 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 680747124 is about 26091.1311368442. The cubic root of 680747124 is about 879.6878731203.

The spelling of 680747124 in words is "six hundred eighty million, seven hundred forty-seven thousand, one hundred twenty-four".