27240666 has 8 divisors (see below), whose sum is σ = 54481344. Its totient is φ = 9080220.

The previous prime is 27240601. The next prime is 27240673. The reversal of 27240666 is 66604272.

It is a sphenic number, since it is the product of 3 distinct primes.

27240666 is an admirable 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, 2270050 + ... + 2270061.

It is an arithmetic number, because the mean of its divisors is an integer number (6810168).

Almost surely, 2^27240666 is an apocalyptic number.

27240666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27240666 is a wasteful number, since it uses less digits than its factorization.

27240666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540116.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 27240666 is about 5219.2591428286. The cubic root of 27240666 is about 300.8887202104. Note that the first 3 decimals are identical.

The spelling of 27240666 in words is "twenty-seven million, two hundred forty thousand, six hundred sixty-six".