27268666 has 4 divisors (see below), whose sum is σ = 40903002. Its totient is φ = 13634332.

The previous prime is 27268651. The next prime is 27268673. The reversal of 27268666 is 66686272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 4084441 = 4815^2 + 2021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6817165 + ... + 6817168.

Almost surely, 2^27268666 is an apocalyptic number.

27268666 is a deficient number, since it is larger than the sum of its proper divisors (13634336).

27268666 is a wasteful number, since it uses less digits than its factorization.

27268666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634335.

The product of its digits is 290304, while the sum is 43.

The square root of 27268666 is about 5221.9408269340. The cubic root of 27268666 is about 300.9917769081.

The spelling of 27268666 in words is "twenty-seven million, two hundred sixty-eight thousand, six hundred sixty-six".