27010091 has 4 divisors (see below), whose sum is σ = 27258000. Its totient is φ = 26762184.

The previous prime is 27010003. The next prime is 27010147. The reversal of 27010091 is 19001072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27010091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27010391) 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 3 ways as a sum of consecutive naturals, for example, 123791 + ... + 124008.

It is an arithmetic number, because the mean of its divisors is an integer number (6814500).

Almost surely, 2^27010091 is an apocalyptic number.

27010091 is a deficient number, since it is larger than the sum of its proper divisors (247909).

27010091 is a wasteful number, since it uses less digits than its factorization.

27010091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247908.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 27010091 is about 5197.1233389251. The cubic root of 27010091 is about 300.0373694190.

The spelling of 27010091 in words is "twenty-seven million, ten thousand, ninety-one".