27117045 has 16 divisors (see below), whose sum is σ = 48208320. Its totient is φ = 14462352.

The previous prime is 27117043. The next prime is 27117061. The reversal of 27117045 is 54071172.

It is not a de Polignac number, because 27117045 - 2¹ = 27117043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27117043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100299 + ... + 100568.

It is an arithmetic number, because the mean of its divisors is an integer number (3013020).

Almost surely, 2^27117045 is an apocalyptic number.

It is an amenable number.

27117045 is a deficient number, since it is larger than the sum of its proper divisors (21091275).

27117045 is a wasteful number, since it uses less digits than its factorization.

27117045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200881 (or 200875 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 27117045 is about 5207.4029035595. The cubic root of 27117045 is about 300.4328750968.

The spelling of 27117045 in words is "twenty-seven million, one hundred seventeen thousand, forty-five".