680794 has 4 divisors (see below), whose sum is σ = 1021194. Its totient is φ = 340396.

The previous prime is 680783. The next prime is 680803. The reversal of 680794 is 497086.

680794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497086 = 2 ⋅248543.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 169 = 825^2 + 13^2 .

It is a plaindrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170197 + ... + 170200.

2⁶⁸⁰⁷⁹⁴ is an apocalyptic number.

680794 is a deficient number, since it is larger than the sum of its proper divisors (340400).

680794 is a wasteful number, since it uses less digits than its factorization.

680794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340399.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 680794 is about 825.1024178852. The cubic root of 680794 is about 87.9708064320.

The spelling of 680794 in words is "six hundred eighty thousand, seven hundred ninety-four".