27071091 has 20 divisors (see below), whose sum is σ = 41747904. Its totient is φ = 17463600.

The previous prime is 27071081. The next prime is 27071119. The reversal of 27071091 is 19017072.

It is not a de Polignac number, because 27071091 - 2⁵ = 27071059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27071081) 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 19 ways as a sum of consecutive naturals, for example, 2880 + ... + 7901.

Almost surely, 2^27071091 is an apocalyptic number.

27071091 is a deficient number, since it is larger than the sum of its proper divisors (14676813).

27071091 is a wasteful number, since it uses less digits than its factorization.

27071091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824 (or 10815 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 27071091 is about 5202.9886603759. The cubic root of 27071091 is about 300.2630692478.

The spelling of 27071091 in words is "twenty-seven million, seventy-one thousand, ninety-one".