Adding to 27006 its reverse (60072), we get a palindrome (87078).
It is an Ulam number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
27006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
227006 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27006 is a wasteful number, since it uses less digits than its factorization.
27006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 655.
The square root of 27006 is about 164.3350236559. The cubic root of 27006 is about 30.0022220576.
The spelling of 27006 in words is "twenty-seven thousand, six".