673434247 has 2 divisors, whose sum is σ = 673434248. Its totient is φ = 673434246.

The previous prime is 673434197. The next prime is 673434263. The reversal of 673434247 is 742434376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673434247 - 2¹⁵ = 673401479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673434287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336717123 + 336717124.

It is an arithmetic number, because the mean of its divisors is an integer number (336717124).

Almost surely, 2^673434247 is an apocalyptic number.

673434247 is a deficient number, since it is larger than the sum of its proper divisors (1).

673434247 is an equidigital number, since it uses as much as digits as its factorization.

673434247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 40.

The square root of 673434247 is about 25950.6116883591. The cubic root of 673434247 is about 876.5265312268.

The spelling of 673434247 in words is "six hundred seventy-three million, four hundred thirty-four thousand, two hundred forty-seven".