27005 has 8 divisors (see below), whose sum is σ = 35424. Its totient is φ = 19600.

The previous prime is 26993. The next prime is 27011. The reversal of 27005 is 50072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27005 - 2¹⁰ = 25981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (4428).

2²⁷⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

27005 is a deficient number, since it is larger than the sum of its proper divisors (8419).

27005 is a wasteful number, since it uses less digits than its factorization.

27005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 27005 is about 164.3319810627. The cubic root of 27005 is about 30.0018517376.

Adding to 27005 its reverse (50072), we get a palindrome (77077).

It can be divided in two parts, 2 and 7005, that added together give a palindrome (7007).

The spelling of 27005 in words is "twenty-seven thousand, five".