27004145 has 12 divisors (see below), whose sum is σ = 37695924. Its totient is φ = 18516960.

The previous prime is 27004141. The next prime is 27004183. The reversal of 27004145 is 54140072.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 20511841 = 2548^2 + 4529^2 .

It is not a de Polignac number, because 27004145 - 2² = 27004141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27004145.

It is not an unprimeable number, because it can be changed into a prime (27004141) 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, 54866 + ... + 55355.

It is an arithmetic number, because the mean of its divisors is an integer number (3141327).

Almost surely, 2^27004145 is an apocalyptic number.

It is an amenable number.

27004145 is a deficient number, since it is larger than the sum of its proper divisors (10691779).

27004145 is a wasteful number, since it uses less digits than its factorization.

27004145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110240 (or 110233 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 27004145 is about 5196.5512602109. The cubic root of 27004145 is about 300.0153510663.

The spelling of 27004145 in words is "twenty-seven million, four thousand, one hundred forty-five".