673768 has 8 divisors (see below), whose sum is σ = 1263330. Its totient is φ = 336880.

The previous prime is 673747. The next prime is 673769. The reversal of 673768 is 867376.

673768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 311364 = 602^2 + 558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (673769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42103 + ... + 42118.

2⁶⁷³⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

673768 is a deficient number, since it is larger than the sum of its proper divisors (589562).

673768 is a wasteful number, since it uses less digits than its factorization.

673768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84227 (or 84223 counting only the distinct ones).

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

The square root of 673768 is about 820.8337225041. The cubic root of 673768 is about 87.6671309056.

It can be divided in two parts, 673 and 768, that added together give a palindrome (1441).

The spelling of 673768 in words is "six hundred seventy-three thousand, seven hundred sixty-eight".