27090275 has 6 divisors (see below), whose sum is σ = 33591972. Its totient is φ = 21672200.

The previous prime is 27090247. The next prime is 27090289. The reversal of 27090275 is 57209072.

It is not a de Polignac number, because 27090275 - 2²⁰ = 26041699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 541781 + ... + 541830.

It is an arithmetic number, because the mean of its divisors is an integer number (5598662).

Almost surely, 2^27090275 is an apocalyptic number.

27090275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27090275 is a deficient number, since it is larger than the sum of its proper divisors (6501697).

27090275 is a wasteful number, since it uses less digits than its factorization.

27090275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083621 (or 1083616 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 27090275 is about 5204.8318896963. The cubic root of 27090275 is about 300.3339799053. Note that the first 3 decimals are identical.

The spelling of 27090275 in words is "twenty-seven million, ninety thousand, two hundred seventy-five".