673828329 has 8 divisors (see below), whose sum is σ = 899656480. Its totient is φ = 448609536.

The previous prime is 673828319. The next prime is 673828333. The reversal of 673828329 is 923828376.

It is a happy number.

673828329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 673828329 - 2²⁴ = 657051113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673828319) 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, 149752 + ... + 154185.

It is an arithmetic number, because the mean of its divisors is an integer number (112457060).

Almost surely, 2^673828329 is an apocalyptic number.

It is an amenable number.

673828329 is a deficient number, since it is larger than the sum of its proper divisors (225828151).

673828329 is a wasteful number, since it uses less digits than its factorization.

673828329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304679.

The product of its digits is 870912, while the sum is 48.

The square root of 673828329 is about 25958.2035010129. The cubic root of 673828329 is about 876.6974739102.

The spelling of 673828329 in words is "six hundred seventy-three million, eight hundred twenty-eight thousand, three hundred twenty-nine".