6723680 has 24 divisors (see below), whose sum is σ = 15885072. Its totient is φ = 2689408.

The previous prime is 6723667. The next prime is 6723697. The reversal of 6723680 is 863276.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20852 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (661878).

Almost surely, 2^6723680 is an apocalyptic number.

It is an amenable number.

6723680 is an abundant number, since it is smaller than the sum of its proper divisors (9161392).

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

6723680 is a wasteful number, since it uses less digits than its factorization.

6723680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42038 (or 42030 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 6723680 is about 2593.0059776252. The cubic root of 6723680 is about 188.7421995812.

The spelling of 6723680 in words is "six million, seven hundred twenty-three thousand, six hundred eighty".