673558 has 8 divisors (see below), whose sum is σ = 1014552. Its totient is φ = 335376.

The previous prime is 673553. The next prime is 673567. The reversal of 673558 is 855376.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673553) by changing a digit.

673558 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, 66 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (126819).

2⁶⁷³⁵⁵⁸ is an apocalyptic number.

673558 is a deficient number, since it is larger than the sum of its proper divisors (340994).

673558 is a wasteful number, since it uses less digits than its factorization.

673558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its digits is 25200, while the sum is 34.

The square root of 673558 is about 820.7057938141. The cubic root of 673558 is about 87.6580219291.

The spelling of 673558 in words is "six hundred seventy-three thousand, five hundred fifty-eight".