673533361 has 4 divisors (see below), whose sum is σ = 674259300. Its totient is φ = 672807424.

The previous prime is 673533349. The next prime is 673533389. The reversal of 673533361 is 163335376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 664866225 = 2944^2 + 25785^2 .

It is a cyclic number.

It is not a de Polignac number, because 673533361 - 2⁷ = 673533233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673533361.

It is not an unprimeable number, because it can be changed into a prime (673533331) 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 in 3 ways as a sum of consecutive naturals, for example, 361576 + ... + 363433.

It is an arithmetic number, because the mean of its divisors is an integer number (168564825).

Almost surely, 2^673533361 is an apocalyptic number.

It is an amenable number.

673533361 is a deficient number, since it is larger than the sum of its proper divisors (725939).

673533361 is an equidigital number, since it uses as much as digits as its factorization.

673533361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725938.

The product of its digits is 102060, while the sum is 37.

The square root of 673533361 is about 25952.5212840680. The cubic root of 673533361 is about 876.5695306185.

The spelling of 673533361 in words is "six hundred seventy-three million, five hundred thirty-three thousand, three hundred sixty-one".