680733903 has 8 divisors (see below), whose sum is σ = 928753408. Its totient is φ = 443268504.

The previous prime is 680733887. The next prime is 680733913. The reversal of 680733903 is 309337086.

680733903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 680733903 - 2⁴ = 680733887 is a prime.

It is a super-2 number, since 2×680733903² = 926797293387226818, 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 (680733913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638375 + ... + 2638632.

It is an arithmetic number, because the mean of its divisors is an integer number (116094176).

Almost surely, 2^680733903 is an apocalyptic number.

680733903 is a deficient number, since it is larger than the sum of its proper divisors (248019505).

680733903 is a wasteful number, since it uses less digits than its factorization.

680733903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277053.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 680733903 is about 26090.8777736587. The cubic root of 680733903 is about 879.6821781869.

The spelling of 680733903 in words is "six hundred eighty million, seven hundred thirty-three thousand, nine hundred three".