27045045 has 24 divisors (see below), whose sum is σ = 49637016. Its totient is φ = 13575168.

The previous prime is 27045043. The next prime is 27045059. The reversal of 27045045 is 54054072.

It can be written as a sum of positive squares in 4 ways, for example, as 15163236 + 11881809 = 3894^2 + 3447^2 .

It is not a de Polignac number, because 27045045 - 2¹ = 27045043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27045041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16912 + ... + 18441.

It is an arithmetic number, because the mean of its divisors is an integer number (2068209).

Almost surely, 2^27045045 is an apocalyptic number.

It is an amenable number.

27045045 is a deficient number, since it is larger than the sum of its proper divisors (22591971).

27045045 is a wasteful number, since it uses less digits than its factorization.

27045045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35381 (or 35378 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 27045045 is about 5200.4850735292. The cubic root of 27045045 is about 300.1667406414.

The spelling of 27045045 in words is "twenty-seven million, forty-five thousand, forty-five".