680743524 has 12 divisors (see below), whose sum is σ = 1588401584. Its totient is φ = 226914504.

The previous prime is 680743493. The next prime is 680743549. The reversal of 680743524 is 425347086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28364302 + ... + 28364325.

Almost surely, 2^680743524 is an apocalyptic number.

It is an amenable number.

680743524 is an abundant number, since it is smaller than the sum of its proper divisors (907658060).

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

680743524 is a wasteful number, since it uses less digits than its factorization.

680743524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56728634 (or 56728632 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 680743524 is about 26091.0621477931. The cubic root of 680743524 is about 879.6863224310.

The spelling of 680743524 in words is "six hundred eighty million, seven hundred forty-three thousand, five hundred twenty-four".