680716 has 6 divisors (see below), whose sum is σ = 1191260. Its totient is φ = 340356.

The previous prime is 680707. The next prime is 680749. The reversal of 680716 is 617086.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85086 + ... + 85093.

2⁶⁸⁰⁷¹⁶ is an apocalyptic number.

It is an amenable number.

680716 is a deficient number, since it is larger than the sum of its proper divisors (510544).

680716 is a wasteful number, since it uses less digits than its factorization.

680716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170183 (or 170181 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 680716 is about 825.0551496718. The cubic root of 680716 is about 87.9674466369.

The spelling of 680716 in words is "six hundred eighty thousand, seven hundred sixteen".