6789680 has 20 divisors (see below), whose sum is σ = 15786192. Its totient is φ = 2715840.

The previous prime is 6789637. The next prime is 6789701. The reversal of 6789680 is 869876.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42356 + ... + 42515.

Almost surely, 2^6789680 is an apocalyptic number.

It is an amenable number.

6789680 is an abundant number, since it is smaller than the sum of its proper divisors (8996512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6789680 is a wasteful number, since it uses less digits than its factorization.

6789680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84884 (or 84878 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 6789680 is about 2605.7014410711. The cubic root of 6789680 is about 189.3577576549.

It can be divided in two parts, 67896 and 80, that added together give a palindrome (67976).

The spelling of 6789680 in words is "six million, seven hundred eighty-nine thousand, six hundred eighty".