680674 has 4 divisors (see below), whose sum is σ = 1021014. Its totient is φ = 340336.

The previous prime is 680657. The next prime is 680681. The reversal of 680674 is 476086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 49 = 825^2 + 7^2 .

It is a plaindrome in base 12.

It is a nialpdrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170167 + ... + 170170.

2⁶⁸⁰⁶⁷⁴ is an apocalyptic number.

680674 is a deficient number, since it is larger than the sum of its proper divisors (340340).

680674 is a wasteful number, since it uses less digits than its factorization.

680674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340339.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 680674 is about 825.0296964352. The cubic root of 680674 is about 87.9656374102.

The spelling of 680674 in words is "six hundred eighty thousand, six hundred seventy-four".