27266149 has 4 divisors (see below), whose sum is σ = 27283180. Its totient is φ = 27249120.

The previous prime is 27266131. The next prime is 27266191. The reversal of 27266149 is 94166272.

27266149 = T₄₂₆₂ + T₄₂₆₃ + T₄₂₆₄.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23961025 + 3305124 = 4895^2 + 1818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27266149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27266549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5832 + ... + 9409.

It is an arithmetic number, because the mean of its divisors is an integer number (6820795).

Almost surely, 2^27266149 is an apocalyptic number.

27266149 is the 4264-th centered triangular number.

It is an amenable number.

27266149 is a deficient number, since it is larger than the sum of its proper divisors (17031).

27266149 is a wasteful number, since it uses less digits than its factorization.

27266149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17030.

The product of its digits is 36288, while the sum is 37.

The square root of 27266149 is about 5221.6998190245. The cubic root of 27266149 is about 300.9825157337.

The spelling of 27266149 in words is "twenty-seven million, two hundred sixty-six thousand, one hundred forty-nine".