682568 has 16 divisors (see below), whose sum is σ = 1311660. Its totient is φ = 332800.

The previous prime is 682547. The next prime is 682597. The reversal of 682568 is 865286.

It can be written as a sum of positive squares in 2 ways, for example, as 605284 + 77284 = 778^2 + 278^2 .

It is an unprimeable number.

682568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713 + ... + 1368.

2⁶⁸²⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

682568 is a deficient number, since it is larger than the sum of its proper divisors (629092).

682568 is a wasteful number, since it uses less digits than its factorization.

682568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2124 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 682568 is about 826.1767365401. The cubic root of 682568 is about 88.0471510402.

The spelling of 682568 in words is "six hundred eighty-two thousand, five hundred sixty-eight".