680673 has 8 divisors (see below), whose sum is σ = 1037248. Its totient is φ = 388944.

The previous prime is 680657. The next prime is 680681. The reversal of 680673 is 376086.

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

It is not a de Polignac number, because 680673 - 2⁴ = 680657 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 680673.

It is not an unprimeable number, because it can be changed into a prime (680623) 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, 16186 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (129656).

2⁶⁸⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

680673 is a deficient number, since it is larger than the sum of its proper divisors (356575).

680673 is a wasteful number, since it uses less digits than its factorization.

680673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 680673 is about 825.0290903962. The cubic root of 680673 is about 87.9655943324.

The spelling of 680673 in words is "six hundred eighty thousand, six hundred seventy-three".