6918672 has 20 divisors (see below), whose sum is σ = 17873360. Its totient is φ = 2306208.

The previous prime is 6918649. The next prime is 6918689. The reversal of 6918672 is 2768196.

It is a self number, because there is not a number n which added to its sum of digits gives 6918672.

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, 72022 + ... + 72117.

It is an arithmetic number, because the mean of its divisors is an integer number (893668).

Almost surely, 2^6918672 is an apocalyptic number.

It is an amenable number.

6918672 is an abundant number, since it is smaller than the sum of its proper divisors (10954688).

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

6918672 is a wasteful number, since it uses less digits than its factorization.

6918672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144150 (or 144144 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 6918672 is about 2630.3368605561. The cubic root of 6918672 is about 190.5493978441.

The spelling of 6918672 in words is "six million, nine hundred eighteen thousand, six hundred seventy-two".