27681483 has 4 divisors (see below), whose sum is σ = 36908648. Its totient is φ = 18454320.

The previous prime is 27681469. The next prime is 27681523. The reversal of 27681483 is 38418672.

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

It is not a de Polignac number, because 27681483 - 2¹⁰ = 27680459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27683483) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4613578 + ... + 4613583.

It is an arithmetic number, because the mean of its divisors is an integer number (9227162).

Almost surely, 2^27681483 is an apocalyptic number.

27681483 is a deficient number, since it is larger than the sum of its proper divisors (9227165).

27681483 is an equidigital number, since it uses as much as digits as its factorization.

27681483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227164.

The product of its digits is 64512, while the sum is 39.

The square root of 27681483 is about 5261.3195113013. The cubic root of 27681483 is about 302.5030685207.

The spelling of 27681483 in words is "twenty-seven million, six hundred eighty-one thousand, four hundred eighty-three".