680771 has 8 divisors (see below), whose sum is σ = 837984. Its totient is φ = 538560.

The previous prime is 680767. The next prime is 680783. The reversal of 680771 is 177086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680771 - 2² = 680767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (104748).

2⁶⁸⁰⁷⁷¹ is an apocalyptic number.

680771 is a deficient number, since it is larger than the sum of its proper divisors (157213).

680771 is a wasteful number, since it uses less digits than its factorization.

680771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 680771 is about 825.0884801038. The cubic root of 680771 is about 87.9698157498.

The spelling of 680771 in words is "six hundred eighty thousand, seven hundred seventy-one".