682726 has 8 divisors (see below), whose sum is σ = 1117224. Its totient is φ = 310320.

The previous prime is 682723. The next prime is 682729. The reversal of 682726 is 627286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (682723) and next prime (682729).

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

It is a super-2 number, since 2×682726² = 932229582152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15495 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (139653).

2⁶⁸²⁷²⁶ is an apocalyptic number.

682726 is a deficient number, since it is larger than the sum of its proper divisors (434498).

682726 is a wasteful number, since it uses less digits than its factorization.

682726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31046.

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

The square root of 682726 is about 826.2723521939. The cubic root of 682726 is about 88.0539441981.

The spelling of 682726 in words is "six hundred eighty-two thousand, seven hundred twenty-six".