682756 has 6 divisors (see below), whose sum is σ = 1194830. Its totient is φ = 341376.

The previous prime is 682751. The next prime is 682763. The reversal of 682756 is 657286.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 16900 = 816^2 + 130^2 .

It is not an unprimeable number, because it can be changed into a prime (682751) by changing a digit.

682756 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 as a sum of consecutive naturals, namely, 85341 + ... + 85348.

2⁶⁸²⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

682756 is a deficient number, since it is larger than the sum of its proper divisors (512074).

682756 is a wasteful number, since it uses less digits than its factorization.

682756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170693 (or 170691 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 682756 is about 826.2905058150. The cubic root of 682756 is about 88.0552339198.

Subtracting from 682756 its product of digits (20160), we obtain a square (662596 = 814²).

The spelling of 682756 in words is "six hundred eighty-two thousand, seven hundred fifty-six".