682743 has 4 divisors (see below), whose sum is σ = 910328. Its totient is φ = 455160.

The previous prime is 682739. The next prime is 682751. The reversal of 682743 is 347286.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 682743 - 2² = 682739 is a prime.

It is a super-2 number, since 2×682743² = 932276008098, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 682743.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113788 + ... + 113793.

It is an arithmetic number, because the mean of its divisors is an integer number (227582).

2⁶⁸²⁷⁴³ is an apocalyptic number.

682743 is a deficient number, since it is larger than the sum of its proper divisors (227585).

682743 is a wasteful number, since it uses less digits than its factorization.

682743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227584.

The product of its digits is 8064, while the sum is 30.

The square root of 682743 is about 826.2826392948. The cubic root of 682743 is about 88.0546750450.

The spelling of 682743 in words is "six hundred eighty-two thousand, seven hundred forty-three".