6666272 has 24 divisors (see below), whose sum is σ = 13446972. Its totient is φ = 3251200.

The previous prime is 6666269. The next prime is 6666337. The reversal of 6666272 is 2726666.

It can be written as a sum of positive squares in 2 ways, for example, as 5216656 + 1449616 = 2284^2 + 1204^2 .

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, 1229 + ... + 3852.

Almost surely, 2^6666272 is an apocalyptic number.

It is an amenable number.

6666272 is an abundant number, since it is smaller than the sum of its proper divisors (6780700).

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

6666272 is a wasteful number, since it uses less digits than its factorization.

6666272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132 (or 5124 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 6666272 is about 2581.9124694691. The cubic root of 6666272 is about 188.2034917474.

The spelling of 6666272 in words is "six million, six hundred sixty-six thousand, two hundred seventy-two".