427069 has 2 divisors, whose sum is σ = 427070. Its totient is φ = 427068.

The previous prime is 427067. The next prime is 427073. The reversal of 427069 is 960724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 191844 = 485^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 427069 - 2¹ = 427067 is a prime.

It is a super-2 number, since 2×427069² = 364775861522, which contains 22 as substring.

Together with 427067, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213534 + 213535.

It is an arithmetic number, because the mean of its divisors is an integer number (213535).

2⁴²⁷⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

427069 is a deficient number, since it is larger than the sum of its proper divisors (1).

427069 is an equidigital number, since it uses as much as digits as its factorization.

427069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 427069 is about 653.5051644784. The cubic root of 427069 is about 75.3065380117.

The spelling of 427069 in words is "four hundred twenty-seven thousand, sixty-nine".