673429 has 2 divisors, whose sum is σ = 673430. Its totient is φ = 673428.

The previous prime is 673427. The next prime is 673441. The reversal of 673429 is 924376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 180625 = 702^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 673429 - 2¹ = 673427 is a prime.

Together with 673427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 673429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336714 + 336715.

It is an arithmetic number, because the mean of its divisors is an integer number (336715).

2⁶⁷³⁴²⁹ is an apocalyptic number.

It is an amenable number.

673429 is a deficient number, since it is larger than the sum of its proper divisors (1).

673429 is an equidigital number, since it uses as much as digits as its factorization.

673429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 673429 is about 820.6271991593. The cubic root of 673429 is about 87.6524254763.

The spelling of 673429 in words is "six hundred seventy-three thousand, four hundred twenty-nine".