673518 has 8 divisors (see below), whose sum is σ = 1347048. Its totient is φ = 224504.

The previous prime is 673513. The next prime is 673529. The reversal of 673518 is 815376.

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

673518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56121 + ... + 56132.

It is an arithmetic number, because the mean of its divisors is an integer number (168381).

2⁶⁷³⁵¹⁸ is an apocalyptic number.

673518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673518 is a wasteful number, since it uses less digits than its factorization.

673518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112258.

The product of its digits is 5040, while the sum is 30.

The square root of 673518 is about 820.6814241836. The cubic root of 673518 is about 87.6562866714.

The spelling of 673518 in words is "six hundred seventy-three thousand, five hundred eighteen".