6779218 has 16 divisors (see below), whose sum is σ = 10496160. Its totient is φ = 3282336.

The previous prime is 6779207. The next prime is 6779231. The reversal of 6779218 is 8129776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8221 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (656010).

Almost surely, 2^6779218 is an apocalyptic number.

6779218 is a deficient number, since it is larger than the sum of its proper divisors (3716942).

6779218 is a wasteful number, since it uses less digits than its factorization.

6779218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 42336, while the sum is 40.

The square root of 6779218 is about 2603.6931462828. The cubic root of 6779218 is about 189.2604492275.

The spelling of 6779218 in words is "six million, seven hundred seventy-nine thousand, two hundred eighteen".