27133771 has 4 divisors (see below), whose sum is σ = 31010032. Its totient is φ = 23257512.

The previous prime is 27133741. The next prime is 27133781. The reversal of 27133771 is 17733172.

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

It is a cyclic number.

It is not a de Polignac number, because 27133771 - 2⁵ = 27133739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27133741) 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, 1938120 + ... + 1938133.

It is an arithmetic number, because the mean of its divisors is an integer number (7752508).

Almost surely, 2^27133771 is an apocalyptic number.

27133771 is a deficient number, since it is larger than the sum of its proper divisors (3876261).

27133771 is an equidigital number, since it uses as much as digits as its factorization.

27133771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876260.

The product of its digits is 6174, while the sum is 31.

The square root of 27133771 is about 5209.0086388871. The cubic root of 27133771 is about 300.4946321633.

The spelling of 27133771 in words is "twenty-seven million, one hundred thirty-three thousand, seven hundred seventy-one".