673671536 has 20 divisors (see below), whose sum is σ = 1305852432. Its totient is φ = 336677376.

The previous prime is 673671517. The next prime is 673671601. The reversal of 673671536 is 635176376.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30080 + ... + 47456.

Almost surely, 2^673671536 is an apocalyptic number.

It is an amenable number.

673671536 is a deficient number, since it is larger than the sum of its proper divisors (632180896).

673671536 is a wasteful number, since it uses less digits than its factorization.

673671536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808 (or 19802 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 673671536 is about 25955.1832203127. The cubic root of 673671536 is about 876.6294691062.

The spelling of 673671536 in words is "six hundred seventy-three million, six hundred seventy-one thousand, five hundred thirty-six".