682717 has 6 divisors (see below), whose sum is σ = 794238. Its totient is φ = 585144.

The previous prime is 682699. The next prime is 682723. The reversal of 682717 is 717286.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 441 = 826^2 + 21^2 .

It is not a de Polignac number, because 682717 - 2¹⁹ = 158429 is a prime.

It is a super-2 number, since 2×682717² = 932205004178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6918 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (132373).

2⁶⁸²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

682717 is a deficient number, since it is larger than the sum of its proper divisors (111521).

682717 is a wasteful number, since it uses less digits than its factorization.

682717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947 (or 13940 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 682717 is about 826.2669060298. The cubic root of 682717 is about 88.0535572742.

The spelling of 682717 in words is "six hundred eighty-two thousand, seven hundred seventeen".