27430 has 16 divisors (see below), whose sum is σ = 53424. Its totient is φ = 10080.

The previous prime is 27427. The next prime is 27431. The reversal of 27430 is 3472.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (3339).

2²⁷⁴³⁰ is an apocalyptic number.

27430 is a deficient number, since it is larger than the sum of its proper divisors (25994).

27430 is a wasteful number, since it uses less digits than its factorization.

27430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 27430 is about 165.6200470958. The cubic root of 27430 is about 30.1584212107.

The spelling of 27430 in words is "twenty-seven thousand, four hundred thirty".