27666048 has 32 divisors (see below), whose sum is σ = 73488960. Its totient is φ = 9221888.

The previous prime is 27666017. The next prime is 27666097. The reversal of 27666048 is 84066672.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 27665997 and 27666015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35640 + ... + 36407.

It is an arithmetic number, because the mean of its divisors is an integer number (2296530).

Almost surely, 2^27666048 is an apocalyptic number.

It is an amenable number.

27666048 is an abundant number, since it is smaller than the sum of its proper divisors (45822912).

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

27666048 is an equidigital number, since it uses as much as digits as its factorization.

27666048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72064 (or 72052 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 27666048 is about 5259.8524694139. The cubic root of 27666048 is about 302.4468335403.

The spelling of 27666048 in words is "twenty-seven million, six hundred sixty-six thousand, forty-eight".