27091432 has 16 divisors (see below), whose sum is σ = 51300900. Its totient is φ = 13411200.

The previous prime is 27091429. The next prime is 27091433. The reversal of 27091432 is 23419072.

It can be written as a sum of positive squares in 2 ways, for example, as 23872996 + 3218436 = 4886^2 + 1794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27091432.

It is not an unprimeable number, because it can be changed into a prime (27091433) 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, 15957 + ... + 17572.

Almost surely, 2^27091432 is an apocalyptic number.

It is an amenable number.

27091432 is a deficient number, since it is larger than the sum of its proper divisors (24209468).

27091432 is a wasteful number, since it uses less digits than its factorization.

27091432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33636 (or 33632 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27091432 is about 5204.9430352310. The cubic root of 27091432 is about 300.3382555044.

The spelling of 27091432 in words is "twenty-seven million, ninety-one thousand, four hundred thirty-two".