673329 has 4 divisors (see below), whose sum is σ = 897776. Its totient is φ = 448884.

The previous prime is 673327. The next prime is 673339. The reversal of 673329 is 923376.

It is a happy number.

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 not a de Polignac number, because 673329 - 2¹ = 673327 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673296 and 673305.

It is not an unprimeable number, because it can be changed into a prime (673327) 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, 112219 + ... + 112224.

It is an arithmetic number, because the mean of its divisors is an integer number (224444).

2⁶⁷³³²⁹ is an apocalyptic number.

It is an amenable number.

673329 is a deficient number, since it is larger than the sum of its proper divisors (224447).

673329 is a wasteful number, since it uses less digits than its factorization.

673329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224446.

The product of its digits is 6804, while the sum is 30.

The square root of 673329 is about 820.5662678907. The cubic root of 673329 is about 87.6480866489.

Subtracting 673329 from its reverse (923376), we obtain a cube (250047 = 63³).

The spelling of 673329 in words is "six hundred seventy-three thousand, three hundred twenty-nine".