27475 has 12 divisors (see below), whose sum is σ = 39184. Its totient is φ = 18720.

The previous prime is 27457. The next prime is 27479. The reversal of 27475 is 57472.

It is a de Polignac number, because none of the positive numbers 2^k-27475 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a Duffinian number.

27475 is a lucky number.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (27479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97 + ... + 253.

2²⁷⁴⁷⁵ is an apocalyptic number.

27475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27475 is a deficient number, since it is larger than the sum of its proper divisors (11709).

27475 is a wasteful number, since it uses less digits than its factorization.

27475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its digits is 1960, while the sum is 25.

The square root of 27475 is about 165.7558445425. The cubic root of 27475 is about 30.1749042279.

The spelling of 27475 in words is "twenty-seven thousand, four hundred seventy-five".