27018297 has 12 divisors (see below), whose sum is σ = 39117780. Its totient is φ = 17970048.

The previous prime is 27018281. The next prime is 27018311. The reversal of 27018297 is 79281072.

It can be written as a sum of positive squares in 2 ways, for example, as 23853456 + 3164841 = 4884^2 + 1779^2 .

It is not a de Polignac number, because 27018297 - 2⁴ = 27018281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27011297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (3259815).

Almost surely, 2^27018297 is an apocalyptic number.

It is an amenable number.

27018297 is a deficient number, since it is larger than the sum of its proper divisors (12099483).

27018297 is a wasteful number, since it uses less digits than its factorization.

27018297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 27018297 is about 5197.9127541735. The cubic root of 27018297 is about 300.0677513647.

The spelling of 27018297 in words is "twenty-seven million, eighteen thousand, two hundred ninety-seven".