673697 has 4 divisors (see below), whose sum is σ = 675840. Its totient is φ = 671556.

The previous prime is 673669. The next prime is 673747. The reversal of 673697 is 796376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673697 - 2⁸ = 673441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673697.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 673697.

It is not an unprimeable number, because it can be changed into a prime (673637) 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, 497 + ... + 1262.

It is an arithmetic number, because the mean of its divisors is an integer number (168960).

2⁶⁷³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

673697 is a deficient number, since it is larger than the sum of its proper divisors (2143).

673697 is a wasteful number, since it uses less digits than its factorization.

673697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its digits is 47628, while the sum is 38.

The square root of 673697 is about 820.7904726543. The cubic root of 673697 is about 87.6640514158.

It can be divided in two parts, 67369 and 7, that added together give a palindrome (67376).

The spelling of 673697 in words is "six hundred seventy-three thousand, six hundred ninety-seven".