27066005 has 8 divisors (see below), whose sum is σ = 33012024. Its totient is φ = 21297600.

The previous prime is 27065993. The next prime is 27066029. The reversal of 27066005 is 50066072.

It can be written as a sum of positive squares in 4 ways, for example, as 461041 + 26604964 = 679^2 + 5158^2 .

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

It is not a de Polignac number, because 27066005 - 2¹⁴ = 27049621 is a prime.

It is a Duffinian number.

It is a Curzon 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, 44066 + ... + 44675.

It is an arithmetic number, because the mean of its divisors is an integer number (4126503).

Almost surely, 2^27066005 is an apocalyptic number.

It is an amenable number.

27066005 is a deficient number, since it is larger than the sum of its proper divisors (5946019).

27066005 is an equidigital number, since it uses as much as digits as its factorization.

27066005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88807.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 27066005 is about 5202.4998798654. The cubic root of 27066005 is about 300.2442640259.

The spelling of 27066005 in words is "twenty-seven million, sixty-six thousand, five".