27172 has 6 divisors (see below), whose sum is σ = 47558. Its totient is φ = 13584.

The previous prime is 27143. The next prime is 27179.

27172 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 17956 + 9216 = 134^2 + 96^2 .

It is not an unprimeable number, because it can be changed into a prime (27179) by changing a digit.

27172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393 + ... + 3400.

2²⁷¹⁷² is an apocalyptic number.

It is an amenable number.

27172 is a deficient number, since it is larger than the sum of its proper divisors (20386).

27172 is a wasteful number, since it uses less digits than its factorization.

27172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797 (or 6795 counting only the distinct ones).

The product of its digits is 196, while the sum is 19.

The square root of 27172 is about 164.8393156987. The cubic root of 27172 is about 30.0635689084.

It can be divided in two parts, 271 and 72, that added together give a palindrome (343).

The spelling of 27172 in words is "twenty-seven thousand, one hundred seventy-two", and thus it is an iban number.