673936 has 20 divisors (see below), whose sum is σ = 1325932. Its totient is φ = 331776.

The previous prime is 673921. The next prime is 673943. The reversal of 673936 is 639376.

673936 = T₁₄₃ + T₁₄₄ + ... + T₁₉₀.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 102400 = 756^2 + 320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880 + ... + 1456.

2⁶⁷³⁹³⁶ is an apocalyptic number.

It is an amenable number.

673936 is a deficient number, since it is larger than the sum of its proper divisors (651996).

673936 is a wasteful number, since it uses less digits than its factorization.

673936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 652 counting only the distinct ones).

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

The square root of 673936 is about 820.9360511026. The cubic root of 673936 is about 87.6744167241.

The spelling of 673936 in words is "six hundred seventy-three thousand, nine hundred thirty-six".