It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 27000064 = 43 + 3003 = 1663 + 2823.
It is a congruent number.
It is an unprimeable number.
Almost surely, 227000064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27000064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35483840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27000064 is a wasteful number, since it uses less digits than its factorization.
27000064 is an odious number, because the sum of its binary digits is odd.
The square root of 27000064 is about 5196.1585811059. The cubic root of 27000064 is about 300.0002370368. Note that the first 3 decimals are identical.
The spelling of 27000064 in words is "twenty-seven million, sixty-four", and thus it is an aban number.