27006 has 16 divisors (see below), whose sum is σ = 61824. Its totient is φ = 7704.
The previous prime is 26993. The next prime is 27011. The reversal of 27006 is 60072.
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.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 363.
It is an arithmetic number, because the mean of its divisors is an integer number (3864).
227006 is an apocalyptic number.
27006 is an abundant number, since it is smaller than the sum of its proper divisors (34818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30912).
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 product of its (nonzero) digits is 84, while the sum is 15.
The square root of 27006 is about 164.3350236559. The cubic root of 27006 is about 30.0022220576.
Adding to 27006 its reverse (60072), we get a palindrome (87078).
The spelling of 27006 in words is "twenty-seven thousand, six".
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