673305 has 8 divisors (see below), whose sum is σ = 1077312. Its totient is φ = 359088.

The previous prime is 673297. The next prime is 673313. The reversal of 673305 is 503376.

673305 = T₁₅₀ + T₁₅₁ + ... + T₁₉₄.

673305 = 38² + 39² + ... + 127².

It is an interprime number because it is at equal distance from previous prime (673297) and next prime (673313).

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

It is not a de Polignac number, because 673305 - 2³ = 673297 is a prime.

673305 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22429 + ... + 22458.

It is an arithmetic number, because the mean of its divisors is an integer number (134664).

2⁶⁷³³⁰⁵ is an apocalyptic number.

It is an amenable number.

673305 is a deficient number, since it is larger than the sum of its proper divisors (404007).

673305 is a wasteful number, since it uses less digits than its factorization.

673305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44895.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 673305 is about 820.5516437129. The cubic root of 673305 is about 87.6470452665.

The spelling of 673305 in words is "six hundred seventy-three thousand, three hundred five".