673133611 has 4 divisors (see below), whose sum is σ = 680697000. Its totient is φ = 665570224.

The previous prime is 673133603. The next prime is 673133621. The reversal of 673133611 is 116331376.

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

It is a cyclic number.

It is not a de Polignac number, because 673133611 - 2³ = 673133603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673133621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781561 + ... + 3781738.

It is an arithmetic number, because the mean of its divisors is an integer number (170174250).

Almost surely, 2^673133611 is an apocalyptic number.

673133611 is a deficient number, since it is larger than the sum of its proper divisors (7563389).

673133611 is an equidigital number, since it uses as much as digits as its factorization.

673133611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563388.

The product of its digits is 6804, while the sum is 31.

The square root of 673133611 is about 25944.8185771263. The cubic root of 673133611 is about 876.3960781775.

Adding to 673133611 its reverse (116331376), we get a palindrome (789464987).

The spelling of 673133611 in words is "six hundred seventy-three million, one hundred thirty-three thousand, six hundred eleven".