27109045 has 8 divisors (see below), whose sum is σ = 32923296. Its totient is φ = 21425616.

The previous prime is 27109037. The next prime is 27109051. The reversal of 27109045 is 54090172.

27109045 = 530² + 531² + ... + 612².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27109045 - 2³ = 27109037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32247 + ... + 33076.

It is an arithmetic number, because the mean of its divisors is an integer number (4115412).

Almost surely, 2^27109045 is an apocalyptic number.

It is an amenable number.

27109045 is a deficient number, since it is larger than the sum of its proper divisors (5814251).

27109045 is an equidigital number, since it uses as much as digits as its factorization.

27109045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65411.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 27109045 is about 5206.6347096757. The cubic root of 27109045 is about 300.4033278828.

The spelling of 27109045 in words is "twenty-seven million, one hundred nine thousand, forty-five".