27144028 has 12 divisors (see below), whose sum is σ = 48153280. Its totient is φ = 13385952.

The previous prime is 27144023. The next prime is 27144037. The reversal of 27144028 is 82044172.

It is a junction number, because it is equal to n+sod(n) for n = 27143987 and 27144005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46188 + ... + 46771.

Almost surely, 2^27144028 is an apocalyptic number.

It is an amenable number.

27144028 is a deficient number, since it is larger than the sum of its proper divisors (21009252).

27144028 is a wasteful number, since it uses less digits than its factorization.

27144028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93036 (or 93034 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 27144028 is about 5209.9930902066. The cubic root of 27144028 is about 300.5324913211.

The spelling of 27144028 in words is "twenty-seven million, one hundred forty-four thousand, twenty-eight".