673508 has 12 divisors (see below), whose sum is σ = 1285872. Its totient is φ = 306120.

The previous prime is 673499. The next prime is 673513. The reversal of 673508 is 805376.

It is a super-2 number, since 2×673508² = 907226052128, which contains 22 as substring.

It is an unprimeable number.

673508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7610 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (107156).

2⁶⁷³⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

673508 is a deficient number, since it is larger than the sum of its proper divisors (612364).

673508 is a wasteful number, since it uses less digits than its factorization.

673508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15322 (or 15320 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 673508 is about 820.6753316629. The cubic root of 673508 is about 87.6558528462.

The spelling of 673508 in words is "six hundred seventy-three thousand, five hundred eight".