27802 has 4 divisors (see below), whose sum is σ = 41706. Its totient is φ = 13900.

The previous prime is 27799. The next prime is 27803. The reversal of 27802 is 20872.

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., 19881 + 7921 = 141^2 + 89^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27802.

It is not an unprimeable number, because it can be changed into a prime (27803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949 + ... + 6952.

2²⁷⁸⁰² is an apocalyptic number.

27802 is a deficient number, since it is larger than the sum of its proper divisors (13904).

27802 is a wasteful number, since it uses less digits than its factorization.

27802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 27802 is about 166.7393174989. The cubic root of 27802 is about 30.2941435961.

The spelling of 27802 in words is "twenty-seven thousand, eight hundred two".