6723980 has 12 divisors (see below), whose sum is σ = 14120400. Its totient is φ = 2689584.

The previous prime is 6723979. The next prime is 6724007. The reversal of 6723980 is 893276.

It is a self number, because there is not a number n which added to its sum of digits gives 6723980.

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, 168080 + ... + 168119.

It is an arithmetic number, because the mean of its divisors is an integer number (1176700).

Almost surely, 2^6723980 is an apocalyptic number.

It is an amenable number.

6723980 is an abundant number, since it is smaller than the sum of its proper divisors (7396420).

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

6723980 is a wasteful number, since it uses less digits than its factorization.

6723980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336208 (or 336206 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6723980 is about 2593.0638248990. The cubic root of 6723980 is about 188.7450066659.

The spelling of 6723980 in words is "six million, seven hundred twenty-three thousand, nine hundred eighty".