673744 has 20 divisors (see below), whose sum is σ = 1382724. Its totient is φ = 316928.

The previous prime is 673669. The next prime is 673747. The reversal of 673744 is 447376.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 238144 = 660^2 + 488^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673747) 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, 967 + ... + 1510.

2⁶⁷³⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

673744 is an abundant number, since it is smaller than the sum of its proper divisors (708980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673744 is a wasteful number, since it uses less digits than its factorization.

673744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502 (or 2496 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 673744 is about 820.8191030915. The cubic root of 673744 is about 87.6660899755. Note that the first 3 decimals are identical.

The spelling of 673744 in words is "six hundred seventy-three thousand, seven hundred forty-four".