27000029 has 12 divisors (see below), whose sum is σ = 33256764. Its totient is φ = 21780864.

The previous prime is 27000023. The next prime is 27000041. The reversal of 27000029 is 92000072.

It can be written as a sum of positive squares in 2 ways, for example, as 22992025 + 4008004 = 4795^2 + 2002^2 .

It is not a de Polignac number, because 27000029 - 2⁴ = 27000013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15374 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (2771397).

Almost surely, 2^27000029 is an apocalyptic number.

It is an amenable number.

27000029 is a deficient number, since it is larger than the sum of its proper divisors (6256735).

27000029 is a wasteful number, since it uses less digits than its factorization.

27000029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32444 (or 32437 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 27000029 is about 5196.1552132322. The cubic root of 27000029 is about 300.0001074074. Note that the first 3 decimals are identical.

The spelling of 27000029 in words is "twenty-seven million, twenty-nine", and thus it is an aban number and an uban number.