27434091 has 4 divisors (see below), whose sum is σ = 36578792. Its totient is φ = 18289392.

The previous prime is 27434089. The next prime is 27434111. The reversal of 27434091 is 19043472.

It is a happy number.

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

It is not a de Polignac number, because 27434091 - 2¹ = 27434089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27436091) 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 3 ways as a sum of consecutive naturals, for example, 4572346 + ... + 4572351.

It is an arithmetic number, because the mean of its divisors is an integer number (9144698).

Almost surely, 2^27434091 is an apocalyptic number.

27434091 is a deficient number, since it is larger than the sum of its proper divisors (9144701).

27434091 is an equidigital number, since it uses as much as digits as its factorization.

27434091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144700.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 27434091 is about 5237.7562944452. The cubic root of 27434091 is about 301.5992044471.

The spelling of 27434091 in words is "twenty-seven million, four hundred thirty-four thousand, ninety-one".