27123682 has 4 divisors (see below), whose sum is σ = 40685526. Its totient is φ = 13561840.

The previous prime is 27123637. The next prime is 27123683. The reversal of 27123682 is 28632172.

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., 25110121 + 2013561 = 5011^2 + 1419^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27123683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780919 + ... + 6780922.

Almost surely, 2^27123682 is an apocalyptic number.

27123682 is a deficient number, since it is larger than the sum of its proper divisors (13561844).

27123682 is a wasteful number, since it uses less digits than its factorization.

27123682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561843.

The product of its digits is 8064, while the sum is 31.

The square root of 27123682 is about 5208.0401304137. The cubic root of 27123682 is about 300.4573837940.

The spelling of 27123682 in words is "twenty-seven million, one hundred twenty-three thousand, six hundred eighty-two".