662743 has 2 divisors, whose sum is σ = 662744. Its totient is φ = 662742.

The previous prime is 662719. The next prime is 662771. The reversal of 662743 is 347266.

It is an a-pointer prime, because the next prime (662771) can be obtained adding 662743 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662743 - 2⁹ = 662231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662713) 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, 331371 + 331372.

It is an arithmetic number, because the mean of its divisors is an integer number (331372).

2⁶⁶²⁷⁴³ is an apocalyptic number.

662743 is a deficient number, since it is larger than the sum of its proper divisors (1).

662743 is an equidigital number, since it uses as much as digits as its factorization.

662743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 662743 is about 814.0902898328. The cubic root of 662743 is about 87.1863272197.

It can be divided in two parts, 6627 and 43, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 662743 in words is "six hundred sixty-two thousand, seven hundred forty-three".