673678 has 8 divisors (see below), whose sum is σ = 1017072. Its totient is φ = 334656.

The previous prime is 673669. The next prime is 673747. The reversal of 673678 is 876376.

673678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

673678 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, 675 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (127134).

2⁶⁷³⁶⁷⁸ is an apocalyptic number.

673678 is a deficient number, since it is larger than the sum of its proper divisors (343394).

673678 is a wasteful number, since it uses less digits than its factorization.

673678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its digits is 42336, while the sum is 37.

The square root of 673678 is about 820.7788983642. The cubic root of 673678 is about 87.6632272903.

The spelling of 673678 in words is "six hundred seventy-three thousand, six hundred seventy-eight".