673345001 has 4 divisors (see below), whose sum is σ = 769537152. Its totient is φ = 577152852.

The previous prime is 673344979. The next prime is 673345003. The reversal of 673345001 is 100543376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673345001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673345003) 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, 48096065 + ... + 48096078.

It is an arithmetic number, because the mean of its divisors is an integer number (192384288).

Almost surely, 2^673345001 is an apocalyptic number.

It is an amenable number.

673345001 is a deficient number, since it is larger than the sum of its proper divisors (96192151).

673345001 is an equidigital number, since it uses as much as digits as its factorization.

673345001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96192150.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 673345001 is about 25948.8920958102. The cubic root of 673345001 is about 876.4878093357.

Adding to 673345001 its reverse (100543376), we get a palindrome (773888377).

The spelling of 673345001 in words is "six hundred seventy-three million, three hundred forty-five thousand, one".