673390 has 8 divisors (see below), whose sum is σ = 1212120. Its totient is φ = 269352.

The previous prime is 673381. The next prime is 673391. The reversal of 673390 is 93376.

673390 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 an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673391) 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, 33660 + ... + 33679.

It is an arithmetic number, because the mean of its divisors is an integer number (151515).

2⁶⁷³³⁹⁰ is an apocalyptic number.

673390 is a deficient number, since it is larger than the sum of its proper divisors (538730).

673390 is a wasteful number, since it uses less digits than its factorization.

673390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67346.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 673390 is about 820.6034365027. The cubic root of 673390 is about 87.6507333847.

The spelling of 673390 in words is "six hundred seventy-three thousand, three hundred ninety".