6666474 has 16 divisors (see below), whose sum is σ = 13521600. Its totient is φ = 2190720.

The previous prime is 6666467. The next prime is 6666479. The reversal of 6666474 is 4746666.

It is not an unprimeable number, because it can be changed into a prime (6666479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (845100).

Almost surely, 2^6666474 is an apocalyptic number.

6666474 is an abundant number, since it is smaller than the sum of its proper divisors (6855126).

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

6666474 is a wasteful number, since it uses less digits than its factorization.

6666474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725.

The product of its digits is 145152, while the sum is 39.

The square root of 6666474 is about 2581.9515874625. The cubic root of 6666474 is about 188.2053926960.

It can be divided in two parts, 6666 and 474, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 6666474 in words is "six million, six hundred sixty-six thousand, four hundred seventy-four".