673606 has 4 divisors (see below), whose sum is σ = 1010412. Its totient is φ = 336802.

The previous prime is 673579. The next prime is 673609. The reversal of 673606 is 606376.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673609) by changing a digit.

673606 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 as a sum of consecutive naturals, namely, 168400 + ... + 168403.

It is an arithmetic number, because the mean of its divisors is an integer number (252603).

2⁶⁷³⁶⁰⁶ is an apocalyptic number.

673606 is a deficient number, since it is larger than the sum of its proper divisors (336806).

673606 is a wasteful number, since it uses less digits than its factorization.

673606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336805.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 673606 is about 820.7350364155. The cubic root of 673606 is about 87.6601041478.

The spelling of 673606 in words is "six hundred seventy-three thousand, six hundred six".