27098065 has 4 divisors (see below), whose sum is σ = 32517684. Its totient is φ = 21678448.

The previous prime is 27098039. The next prime is 27098069. The reversal of 27098065 is 56089072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 8976016 = 4257^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 27098065 - 2¹³ = 27089873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27098069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709802 + ... + 2709811.

It is an arithmetic number, because the mean of its divisors is an integer number (8129421).

Almost surely, 2^27098065 is an apocalyptic number.

It is an amenable number.

27098065 is a deficient number, since it is larger than the sum of its proper divisors (5419619).

27098065 is an equidigital number, since it uses as much as digits as its factorization.

27098065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419618.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 27098065 is about 5205.5801790002. The cubic root of 27098065 is about 300.3627648657.

The spelling of 27098065 in words is "twenty-seven million, ninety-eight thousand, sixty-five".