673444733 has 8 divisors (see below), whose sum is σ = 744850008. Its totient is φ = 604839744.

The previous prime is 673444679. The next prime is 673444741. The reversal of 673444733 is 337444376.

It can be written as a sum of positive squares in 4 ways, for example, as 235254244 + 438190489 = 15338^2 + 20933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673444733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673444433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699566 + ... + 700527.

It is an arithmetic number, because the mean of its divisors is an integer number (93106251).

Almost surely, 2^673444733 is an apocalyptic number.

It is an amenable number.

673444733 is a deficient number, since it is larger than the sum of its proper divisors (71405275).

673444733 is a wasteful number, since it uses less digits than its factorization.

673444733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400143.

The product of its digits is 508032, while the sum is 41.

The square root of 673444733 is about 25950.8137251994. The cubic root of 673444733 is about 876.5310806487.

The spelling of 673444733 in words is "six hundred seventy-three million, four hundred forty-four thousand, seven hundred thirty-three".