27419 has 4 divisors (see below), whose sum is σ = 31344. Its totient is φ = 23496.

The previous prime is 27409. The next prime is 27427. The reversal of 27419 is 91472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27419 is a prime.

It is a super-2 number, since 2×27419² = 1503603122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8 and base 13.

It is a junction number, because it is equal to n+sod(n) for n = 27394 and 27403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27409) 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, 1952 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (7836).

2²⁷⁴¹⁹ is an apocalyptic number.

27419 is a deficient number, since it is larger than the sum of its proper divisors (3925).

27419 is an equidigital number, since it uses as much as digits as its factorization.

27419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its digits is 504, while the sum is 23.

The square root of 27419 is about 165.5868352255. The cubic root of 27419 is about 30.1543892871.

The spelling of 27419 in words is "twenty-seven thousand, four hundred nineteen".