6918872 has 16 divisors (see below), whose sum is σ = 13275240. Its totient is φ = 3378816.

The previous prime is 6918853. The next prime is 6918943. The reversal of 6918872 is 2788196.

It is a congruent number.

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, 9713 + ... + 10400.

Almost surely, 2^6918872 is an apocalyptic number.

It is an amenable number.

6918872 is a deficient number, since it is larger than the sum of its proper divisors (6356368).

6918872 is a wasteful number, since it uses less digits than its factorization.

6918872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20162 (or 20158 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 6918872 is about 2630.3748782255. The cubic root of 6918872 is about 190.5512339148.

The spelling of 6918872 in words is "six million, nine hundred eighteen thousand, eight hundred seventy-two".