27662 has 4 divisors (see below), whose sum is σ = 41496. Its totient is φ = 13830.

The previous prime is 27653. The next prime is 27673. The reversal of 27662 is 26672.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

27662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (10374).

2²⁷⁶⁶² is an apocalyptic number.

27662 is a deficient number, since it is larger than the sum of its proper divisors (13834).

27662 is a wasteful number, since it uses less digits than its factorization.

27662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833.

The product of its digits is 1008, while the sum is 23.

The square root of 27662 is about 166.3189706558. The cubic root of 27662 is about 30.2432081831.

Subtracting from 27662 its reverse (26672), we obtain a triangular number (990 = T₄₄).

The spelling of 27662 in words is "twenty-seven thousand, six hundred sixty-two".