27133906 has 4 divisors (see below), whose sum is σ = 40700862. Its totient is φ = 13566952.

The previous prime is 27133889. The next prime is 27133927. The reversal of 27133906 is 60933172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27133681 + 225 = 5209^2 + 15^2 .

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 as a sum of consecutive naturals, namely, 6783475 + ... + 6783478.

Almost surely, 2^27133906 is an apocalyptic number.

27133906 is a deficient number, since it is larger than the sum of its proper divisors (13566956).

27133906 is a wasteful number, since it uses less digits than its factorization.

27133906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566955.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 27133906 is about 5209.0215971908. The cubic root of 27133906 is about 300.4951305178.

The spelling of 27133906 in words is "twenty-seven million, one hundred thirty-three thousand, nine hundred six".