27144297 has 6 divisors (see below), whose sum is σ = 39208442. Its totient is φ = 18096192.

The previous prime is 27144289. The next prime is 27144323. The reversal of 27144297 is 79244172.

It can be written as a sum of positive squares in only one way, i.e., 14356521 + 12787776 = 3789^2 + 3576^2 .

It is not a de Polignac number, because 27144297 - 2³ = 27144289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27144277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1508008 + ... + 1508025.

Almost surely, 2^27144297 is an apocalyptic number.

It is an amenable number.

27144297 is a deficient number, since it is larger than the sum of its proper divisors (12064145).

27144297 is a wasteful number, since it uses less digits than its factorization.

27144297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016039 (or 3016036 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 27144297 is about 5210.0189059158. The cubic root of 27144297 is about 300.5334840868.

The spelling of 27144297 in words is "twenty-seven million, one hundred forty-four thousand, two hundred ninety-seven".