27165428 has 12 divisors (see below), whose sum is σ = 47591460. Its totient is φ = 13567872.

The previous prime is 27165409. The next prime is 27165433. The reversal of 27165428 is 82456172.

It can be written as a sum of positive squares in 2 ways, for example, as 12588304 + 14577124 = 3548^2 + 3818^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (3965955).

Almost surely, 2^27165428 is an apocalyptic number.

It is an amenable number.

27165428 is a deficient number, since it is larger than the sum of its proper divisors (20426032).

27165428 is a wasteful number, since it uses less digits than its factorization.

27165428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426 (or 7424 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 27165428 is about 5212.0464311055. The cubic root of 27165428 is about 300.6114492158.

The spelling of 27165428 in words is "twenty-seven million, one hundred sixty-five thousand, four hundred twenty-eight".