426073 has 2 divisors, whose sum is σ = 426074. Its totient is φ = 426072.

The previous prime is 426061. The next prime is 426077. The reversal of 426073 is 370624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 51529 = 612^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 426073 - 2¹³ = 417881 is a prime.

426073 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (426077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213036 + 213037.

It is an arithmetic number, because the mean of its divisors is an integer number (213037).

2⁴²⁶⁰⁷³ is an apocalyptic number.

It is an amenable number.

426073 is a deficient number, since it is larger than the sum of its proper divisors (1).

426073 is an equidigital number, since it uses as much as digits as its factorization.

426073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 426073 is about 652.7426751791. The cubic root of 426073 is about 75.2479497460.

Adding to 426073 its reverse (370624), we get a palindrome (796697).

The spelling of 426073 in words is "four hundred twenty-six thousand, seventy-three".