27009105 has 16 divisors (see below), whose sum is σ = 43319040. Its totient is φ = 14370048.

The previous prime is 27009071. The next prime is 27009109. The reversal of 27009105 is 50190072.

It is not a de Polignac number, because 27009105 - 2⁷ = 27008977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27009109) 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, 5001 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (2707440).

Almost surely, 2^27009105 is an apocalyptic number.

It is an amenable number.

27009105 is a deficient number, since it is larger than the sum of its proper divisors (16309935).

27009105 is a wasteful number, since it uses less digits than its factorization.

27009105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 27009105 is about 5197.0284778900. The cubic root of 27009105 is about 300.0337184323.

Adding to 27009105 its reverse (50190072), we get a palindrome (77199177).

The spelling of 27009105 in words is "twenty-seven million, nine thousand, one hundred five".