680517752 has 32 divisors (see below), whose sum is σ = 1361376720. Its totient is φ = 317790720.

The previous prime is 680517707. The next prime is 680517781. The reversal of 680517752 is 257715086.

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, 1283 + ... + 36914.

Almost surely, 2^680517752 is an apocalyptic number.

It is an amenable number.

680517752 is an abundant number, since it is smaller than the sum of its proper divisors (680858968).

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

680517752 is a wasteful number, since it uses less digits than its factorization.

680517752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38351 (or 38347 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 680517752 is about 26086.7351732638. The cubic root of 680517752 is about 879.5890608859.

The spelling of 680517752 in words is "six hundred eighty million, five hundred seventeen thousand, seven hundred fifty-two".