27668450 has 12 divisors (see below), whose sum is σ = 51463410. Its totient is φ = 11067360.

The previous prime is 27668447. The next prime is 27668507. The reversal of 27668450 is 5486672.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23551609 + 4116841 = 4853^2 + 2029^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276635 + ... + 276734.

Almost surely, 2^27668450 is an apocalyptic number.

27668450 is a deficient number, since it is larger than the sum of its proper divisors (23794960).

27668450 is a wasteful number, since it uses less digits than its factorization.

27668450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553381 (or 553376 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 27668450 is about 5260.0807978585. The cubic root of 27668450 is about 302.4555862212.

The spelling of 27668450 in words is "twenty-seven million, six hundred sixty-eight thousand, four hundred fifty".