27000006 has 32 divisors (see below), whose sum is σ = 59142528. Its totient is φ = 8149440.

The previous prime is 26999981. The next prime is 27000011. The reversal of 27000006 is 60000072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20005 + ... + 21311.

It is an arithmetic number, because the mean of its divisors is an integer number (1848204).

Almost surely, 2^27000006 is an apocalyptic number.

27000006 is an abundant number, since it is smaller than the sum of its proper divisors (32142522).

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

27000006 is a wasteful number, since it uses less digits than its factorization.

27000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 27000006 is about 5196.1530000569. The cubic root of 27000006 is about 300.0000222222. Note that the first 4 decimals are identical.

Adding to 27000006 its reverse (60000072), we get a palindrome (87000078).

The spelling of 27000006 in words is "twenty-seven million, six", and thus it is an aban number and an uban number.