27872266 has 4 divisors (see below), whose sum is σ = 41808402. Its totient is φ = 13936132.

The previous prime is 27872261. The next prime is 27872291. The reversal of 27872266 is 66227872.

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., 17766225 + 10106041 = 4215^2 + 3179^2 .

It is not an unprimeable number, because it can be changed into a prime (27872261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6968065 + ... + 6968068.

Almost surely, 2^27872266 is an apocalyptic number.

27872266 is a deficient number, since it is larger than the sum of its proper divisors (13936136).

27872266 is a wasteful number, since it uses less digits than its factorization.

27872266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936135.

The product of its digits is 112896, while the sum is 40.

The square root of 27872266 is about 5279.4190968325. The cubic root of 27872266 is about 303.1964365025.

The spelling of 27872266 in words is "twenty-seven million, eight hundred seventy-two thousand, two hundred sixty-six".