The cubic root of 27000 is 30.
It is a nialpdrome in base 15.
It is a congruent number.
It is an unprimeable number.
27000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
227000 is an apocalyptic number.
27000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27000 is a wasteful number, since it uses less digits than its factorization.
27000 is an evil number, because the sum of its binary digits is even.
The square root of 27000 is about 164.3167672515.
Adding to 27000 its reverse (72), we get a palindrome (27072).
The spelling of 27000 in words is "twenty-seven thousand", and thus it is an iban number.