27331306 has 4 divisors (see below), whose sum is σ = 40996962. Its totient is φ = 13665652.

The previous prime is 27331303. The next prime is 27331321. The reversal of 27331306 is 60313372.

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., 16736281 + 10595025 = 4091^2 + 3255^2 .

It is not an unprimeable number, because it can be changed into a prime (27331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6832825 + ... + 6832828.

Almost surely, 2^27331306 is an apocalyptic number.

27331306 is a deficient number, since it is larger than the sum of its proper divisors (13665656).

27331306 is a wasteful number, since it uses less digits than its factorization.

27331306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665655.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 27331306 is about 5227.9351564456. The cubic root of 27331306 is about 301.2220742810. Note that the first 3 decimals are identical.

Adding to 27331306 its reverse (60313372), we get a palindrome (87644678).

The spelling of 27331306 in words is "twenty-seven million, three hundred thirty-one thousand, three hundred six".