27091648 has 14 divisors (see below), whose sum is σ = 53760116. Its totient is φ = 13545792.

The previous prime is 27091643. The next prime is 27091681. The reversal of 27091648 is 84619072.

It is not an unprimeable number, because it can be changed into a prime (27091643) 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 as a sum of consecutive naturals, namely, 211590 + ... + 211717.

Almost surely, 2^27091648 is an apocalyptic number.

It is an amenable number.

27091648 is a deficient number, since it is larger than the sum of its proper divisors (26668468).

27091648 is an equidigital number, since it uses as much as digits as its factorization.

27091648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423319 (or 423309 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27091648 is about 5204.9637846963. The cubic root of 27091648 is about 300.3390537013.

The spelling of 27091648 in words is "twenty-seven million, ninety-one thousand, six hundred forty-eight".