6747666 has 16 divisors (see below), whose sum is σ = 13567584. Its totient is φ = 2237184.

The previous prime is 6747619. The next prime is 6747667. The reversal of 6747666 is 6667476.

It is not an unprimeable number, because it can be changed into a prime (6747667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (847974).

Almost surely, 2^6747666 is an apocalyptic number.

6747666 is an abundant number, since it is smaller than the sum of its proper divisors (6819918).

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

6747666 is a wasteful number, since it uses less digits than its factorization.

6747666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025.

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

The square root of 6747666 is about 2597.6269940082. The cubic root of 6747666 is about 188.9663723381.

The spelling of 6747666 in words is "six million, seven hundred forty-seven thousand, six hundred sixty-six".