6666774 has 16 divisors (see below), whose sum is σ = 13452912. Its totient is φ = 2202368.

The previous prime is 6666769. The next prime is 6666791. The reversal of 6666774 is 4776666.

It is a congruent number.

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, 4239 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (840807).

Almost surely, 2^6666774 is an apocalyptic number.

6666774 is an abundant number, since it is smaller than the sum of its proper divisors (6786138).

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

6666774 is a wasteful number, since it uses less digits than its factorization.

6666774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951.

The product of its digits is 254016, while the sum is 42.

The square root of 6666774 is about 2582.0096823986. The cubic root of 6666774 is about 188.2082158161.

The spelling of 6666774 in words is "six million, six hundred sixty-six thousand, seven hundred seventy-four".