673693 has 8 divisors (see below), whose sum is σ = 744768. Its totient is φ = 606144.

The previous prime is 673669. The next prime is 673747. The reversal of 673693 is 396376.

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

It is a cyclic number.

It is not a de Polignac number, because 673693 - 2¹³ = 665501 is a prime.

It is an Ulam number.

It is a Duffinian number.

673693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (93096).

2⁶⁷³⁶⁹³ is an apocalyptic number.

It is an amenable number.

673693 is a deficient number, since it is larger than the sum of its proper divisors (71075).

673693 is a wasteful number, since it uses less digits than its factorization.

673693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its digits is 20412, while the sum is 34.

The square root of 673693 is about 820.7880359752. The cubic root of 673693 is about 87.6638779170.

The spelling of 673693 in words is "six hundred seventy-three thousand, six hundred ninety-three".