27530 has 8 divisors (see below), whose sum is σ = 49572. Its totient is φ = 11008.

The previous prime is 27529. The next prime is 27539. The reversal of 27530 is 3572.

It can be written as a sum of positive squares in 2 ways, for example, as 26569 + 961 = 163^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27499 and 27508.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 27530.

It is not an unprimeable number, because it can be changed into a prime (27539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367 + ... + 1386.

2²⁷⁵³⁰ is an apocalyptic number.

27530 is a deficient number, since it is larger than the sum of its proper divisors (22042).

27530 is a wasteful number, since it uses less digits than its factorization.

27530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 27530 is about 165.9216682655. The cubic root of 27530 is about 30.1950257146.

The spelling of 27530 in words is "twenty-seven thousand, five hundred thirty".