27000030 has 16 divisors (see below), whose sum is σ = 64800144. Its totient is φ = 7200000.

The previous prime is 27000023. The next prime is 27000041. The reversal of 27000030 is 3000072.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449971 + ... + 450030.

It is an arithmetic number, because the mean of its divisors is an integer number (4050009).

Almost surely, 2^27000030 is an apocalyptic number.

27000030 is an abundant number, since it is smaller than the sum of its proper divisors (37800114).

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

27000030 is a wasteful number, since it uses less digits than its factorization.

27000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900011.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 27000030 is about 5196.1553094572. The cubic root of 27000030 is about 300.0001111111. Note that the first 3 decimals are identical.

Adding to 27000030 its product of nonzero digits (42), we get a palindrome (27000072).

The spelling of 27000030 in words is "twenty-seven million, thirty", and thus it is an aban number and an uban number.