680974 has 16 divisors (see below), whose sum is σ = 1179648. Its totient is φ = 288792.

The previous prime is 680971. The next prime is 680987. The reversal of 680974 is 479086.

It is an Ulam number.

It is a congruent number.

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, 1587 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (73728).

2⁶⁸⁰⁹⁷⁴ is an apocalyptic number.

680974 is a deficient number, since it is larger than the sum of its proper divisors (498674).

680974 is a wasteful number, since it uses less digits than its factorization.

680974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

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

The square root of 680974 is about 825.2114880441. The cubic root of 680974 is about 87.9785588259.

The spelling of 680974 in words is "six hundred eighty thousand, nine hundred seventy-four".