673418 has 8 divisors (see below), whose sum is σ = 1029348. Its totient is φ = 330304.

The previous prime is 673411. The next prime is 673427. The reversal of 673418 is 814376.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 5929 = 817^2 + 77^2 .

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

It is not an unprimeable number, because it can be changed into a prime (673411) 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, 3071 + ... + 3282.

2⁶⁷³⁴¹⁸ is an apocalyptic number.

673418 is a deficient number, since it is larger than the sum of its proper divisors (355930).

673418 is a wasteful number, since it uses less digits than its factorization.

673418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its digits is 4032, while the sum is 29.

The square root of 673418 is about 820.6204969412. The cubic root of 673418 is about 87.6519482263.

The spelling of 673418 in words is "six hundred seventy-three thousand, four hundred eighteen".