27133965 has 12 divisors (see below), whose sum is σ = 47032284. Its totient is φ = 14471424.

The previous prime is 27133963. The next prime is 27133969. The reversal of 27133965 is 56933172.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 10634121 = 4062^2 + 3261^2 .

It is not a de Polignac number, because 27133965 - 2¹ = 27133963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27133961) 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, 301444 + ... + 301533.

It is an arithmetic number, because the mean of its divisors is an integer number (3919357).

Almost surely, 2^27133965 is an apocalyptic number.

It is an amenable number.

27133965 is a deficient number, since it is larger than the sum of its proper divisors (19898319).

27133965 is a wasteful number, since it uses less digits than its factorization.

27133965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602988 (or 602985 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 27133965 is about 5209.0272604393. The cubic root of 27133965 is about 300.4953483167.

The spelling of 27133965 in words is "twenty-seven million, one hundred thirty-three thousand, nine hundred sixty-five".