427727 has 2 divisors, whose sum is σ = 427728. Its totient is φ = 427726.

The previous prime is 427723. The next prime is 427733. The reversal of 427727 is 727724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427727 - 2² = 427723 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213863 + 213864.

It is an arithmetic number, because the mean of its divisors is an integer number (213864).

2⁴²⁷⁷²⁷ is an apocalyptic number.

427727 is a deficient number, since it is larger than the sum of its proper divisors (1).

427727 is an equidigital number, since it uses as much as digits as its factorization.

427727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5488, while the sum is 29.

The square root of 427727 is about 654.0084097319. The cubic root of 427727 is about 75.3451939627.

The spelling of 427727 in words is "four hundred twenty-seven thousand, seven hundred twenty-seven", and thus it is an iban number.