27982275 has 24 divisors (see below), whose sum is σ = 46418160. Its totient is φ = 14874240.

The previous prime is 27982271. The next prime is 27982277. The reversal of 27982275 is 57228972.

It is a happy number.

It is not a de Polignac number, because 27982275 - 2² = 27982271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27982271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37809 + ... + 38541.

It is an arithmetic number, because the mean of its divisors is an integer number (1934090).

Almost surely, 2^27982275 is an apocalyptic number.

27982275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27982275 is a deficient number, since it is larger than the sum of its proper divisors (18435885).

27982275 is a wasteful number, since it uses less digits than its factorization.

27982275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1250 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 27982275 is about 5289.8275019135. The cubic root of 27982275 is about 303.5948080198.

The spelling of 27982275 in words is "twenty-seven million, nine hundred eighty-two thousand, two hundred seventy-five".