673417221 has 8 divisors (see below), whose sum is σ = 898078944. Its totient is φ = 448850160.

The previous prime is 673417181. The next prime is 673417223. The reversal of 673417221 is 122714376.

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

It is not a de Polignac number, because 673417221 - 2¹⁰ = 673416197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673417223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 37031.

It is an arithmetic number, because the mean of its divisors is an integer number (112259868).

Almost surely, 2^673417221 is an apocalyptic number.

It is an amenable number.

673417221 is a deficient number, since it is larger than the sum of its proper divisors (224661723).

673417221 is a wasteful number, since it uses less digits than its factorization.

673417221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47331.

The product of its digits is 14112, while the sum is 33.

The square root of 673417221 is about 25950.2836400684. The cubic root of 673417221 is about 876.5191442812.

The spelling of 673417221 in words is "six hundred seventy-three million, four hundred seventeen thousand, two hundred twenty-one".