27100 has 18 divisors (see below), whose sum is σ = 59024. Its totient is φ = 10800.

The previous prime is 27091. The next prime is 27103. The reversal of 27100 is 172.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36 + ... + 235.

2²⁷¹⁰⁰ is an apocalyptic number.

27100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27100 is an abundant number, since it is smaller than the sum of its proper divisors (31924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27100 is a wasteful number, since it uses less digits than its factorization.

27100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 27100 is about 164.6207763315. The cubic root of 27100 is about 30.0369914062.

Adding to 27100 its reverse (172), we get a palindrome (27272).

The spelling of 27100 in words is "twenty-seven thousand, one hundred", and thus it is an iban number.