673810306 has 48 divisors (see below), whose sum is σ = 1136435832. Its totient is φ = 297722880.

The previous prime is 673810303. The next prime is 673810337. The reversal of 673810306 is 603018376.

It can be written as a sum of positive squares in 4 ways, for example, as 519429681 + 154380625 = 22791^2 + 12425^2 .

It is not an unprimeable number, because it can be changed into a prime (673810303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6946450 + ... + 6946546.

Almost surely, 2^673810306 is an apocalyptic number.

673810306 is a deficient number, since it is larger than the sum of its proper divisors (462625526).

673810306 is a wasteful number, since it uses less digits than its factorization.

673810306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 673810306 is about 25957.8563444673. The cubic root of 673810306 is about 876.6896574488.

The spelling of 673810306 in words is "six hundred seventy-three million, eight hundred ten thousand, three hundred six".