680703 has 4 divisors (see below), whose sum is σ = 907608. Its totient is φ = 453800.

The previous prime is 680681. The next prime is 680707. The reversal of 680703 is 307086.

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

It is a cyclic number.

It is not a de Polignac number, because 680703 - 2¹⁴ = 664319 is a prime.

It is a D-number.

It is a plaindrome in base 9 and base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680703.

It is not an unprimeable number, because it can be changed into a prime (680707) 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, 113448 + ... + 113453.

It is an arithmetic number, because the mean of its divisors is an integer number (226902).

2⁶⁸⁰⁷⁰³ is an apocalyptic number.

680703 is a deficient number, since it is larger than the sum of its proper divisors (226905).

680703 is a wasteful number, since it uses less digits than its factorization.

680703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226904.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 680703 is about 825.0472713730. The cubic root of 680703 is about 87.9668866461.

Adding to 680703 its reverse (307086), we get a palindrome (987789).

The spelling of 680703 in words is "six hundred eighty thousand, seven hundred three".