680733 has 12 divisors (see below), whose sum is σ = 1006720. Its totient is φ = 443016.

The previous prime is 680707. The next prime is 680749. The reversal of 680733 is 337086.

It is a happy number.

680733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680733 - 2¹⁰ = 679709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680697 and 680706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 1266.

2⁶⁸⁰⁷³³ is an apocalyptic number.

It is an amenable number.

680733 is a deficient number, since it is larger than the sum of its proper divisors (325987).

680733 is a wasteful number, since it uses less digits than its factorization.

680733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 680733 is about 825.0654519491. The cubic root of 680733 is about 87.9681789218.

The spelling of 680733 in words is "six hundred eighty thousand, seven hundred thirty-three".