27068145 has 32 divisors (see below), whose sum is σ = 47050752. Its totient is φ = 13208832.

The previous prime is 27068143. The next prime is 27068183. The reversal of 27068145 is 54186072.

It is not a de Polignac number, because 27068145 - 2¹ = 27068143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27068143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24219 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (1470336).

Almost surely, 2^27068145 is an apocalyptic number.

It is an amenable number.

27068145 is a deficient number, since it is larger than the sum of its proper divisors (19982607).

27068145 is a wasteful number, since it uses less digits than its factorization.

27068145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 27068145 is about 5202.7055461558. The cubic root of 27068145 is about 300.2521768523.

The spelling of 27068145 in words is "twenty-seven million, sixty-eight thousand, one hundred forty-five".