27030249 has 12 divisors (see below), whose sum is σ = 39136500. Its totient is φ = 17977344.

The previous prime is 27030247. The next prime is 27030257. The reversal of 27030249 is 94203072.

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 7290000 = 4443^2 + 2700^2 .

It is not a de Polignac number, because 27030249 - 2¹ = 27030247 is a prime.

It is a super-2 number, since 2×27030249² = 1461268722004002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27030247) 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, 697 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (3261375).

Almost surely, 2^27030249 is an apocalyptic number.

It is an amenable number.

27030249 is a deficient number, since it is larger than the sum of its proper divisors (12106251).

27030249 is a wasteful number, since it uses less digits than its factorization.

27030249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144 (or 7141 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 27030249 is about 5199.0623193034. The cubic root of 27030249 is about 300.1119915211. Note that the first 3 decimals are identical.

The spelling of 27030249 in words is "twenty-seven million, thirty thousand, two hundred forty-nine".