27005045 has 8 divisors (see below), whose sum is σ = 32485560. Its totient is φ = 21551040.

The previous prime is 27005039. The next prime is 27005047. The reversal of 27005045 is 54050072.

It can be written as a sum of positive squares in 4 ways, for example, as 358801 + 26646244 = 599^2 + 5162^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-27005045 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27005045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27005047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4310 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (4060695).

Almost surely, 2^27005045 is an apocalyptic number.

It is an amenable number.

27005045 is a deficient number, since it is larger than the sum of its proper divisors (5480515).

27005045 is a wasteful number, since it uses less digits than its factorization.

27005045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 27005045 is about 5196.6378553830. The cubic root of 27005045 is about 300.0186840215.

The spelling of 27005045 in words is "twenty-seven million, five thousand, forty-five".