27091768 has 32 divisors (see below), whose sum is σ = 57208320. Its totient is φ = 11916000.

The previous prime is 27091759. The next prime is 27091783. The reversal of 27091768 is 86719072.

It is a self number, because there is not a number n which added to its sum of digits gives 27091768.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2238 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (1787760).

Almost surely, 2^27091768 is an apocalyptic number.

It is an amenable number.

27091768 is an abundant number, since it is smaller than the sum of its proper divisors (30116552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27091768 is a wasteful number, since it uses less digits than its factorization.

27091768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979 (or 9975 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 27091768 is about 5204.9753121413. The cubic root of 27091768 is about 300.3394971422.

The spelling of 27091768 in words is "twenty-seven million, ninety-one thousand, seven hundred sixty-eight".