67427 has 2 divisors, whose sum is σ = 67428. Its totient is φ = 67426.

The previous prime is 67421. The next prime is 67429. The reversal of 67427 is 72476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67427 - 2⁴ = 67411 is a prime.

Together with 67429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67396 and 67405.

It is not a weakly prime, because it can be changed into another prime (67421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713 + 33714.

It is an arithmetic number, because the mean of its divisors is an integer number (33714).

2⁶⁷⁴²⁷ is an apocalyptic number.

67427 is a deficient number, since it is larger than the sum of its proper divisors (1).

67427 is an equidigital number, since it uses as much as digits as its factorization.

67427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 26.

The square root of 67427 is about 259.6670945653. The cubic root of 67427 is about 40.7015809925.

It can be divided in two parts, 67 and 427, that added together give a palindrome (494).

The spelling of 67427 in words is "sixty-seven thousand, four hundred twenty-seven".