27381316 has 12 divisors (see below), whose sum is σ = 50000832. Its totient is φ = 13095368.

The previous prime is 27381311. The next prime is 27381329. The reversal of 27381316 is 61318372.

It is not an unprimeable number, because it can be changed into a prime (27381311) 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 in 3 ways as a sum of consecutive naturals, for example, 148720 + ... + 148903.

It is an arithmetic number, because the mean of its divisors is an integer number (4166736).

Almost surely, 2^27381316 is an apocalyptic number.

It is an amenable number.

27381316 is a deficient number, since it is larger than the sum of its proper divisors (22619516).

27381316 is a wasteful number, since it uses less digits than its factorization.

27381316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297650 (or 297648 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 27381316 is about 5232.7159296105. The cubic root of 27381316 is about 301.4056846960.

Adding to 27381316 its reverse (61318372), we get a palindrome (88699688).

The spelling of 27381316 in words is "twenty-seven million, three hundred eighty-one thousand, three hundred sixteen".