27400066 has 8 divisors (see below), whose sum is σ = 41150844. Its totient is φ = 13683120.

The previous prime is 27400049. The next prime is 27400103. The reversal of 27400066 is 66000472.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 9090225 = 4279^2 + 3015^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27400066.

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, 6325 + ... + 9736.

Almost surely, 2^27400066 is an apocalyptic number.

27400066 is a deficient number, since it is larger than the sum of its proper divisors (13750778).

27400066 is a wasteful number, since it uses less digits than its factorization.

27400066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 27400066 is about 5234.5072356431. The cubic root of 27400066 is about 301.4744672083.

The spelling of 27400066 in words is "twenty-seven million, four hundred thousand, sixty-six".