673733306 has 8 divisors (see below), whose sum is σ = 1012178484. Its totient is φ = 336340480.

The previous prime is 673733303. The next prime is 673733309. The reversal of 673733306 is 603337376.

It is an interprime number because it is at equal distance from previous prime (673733303) and next prime (673733309).

It can be written as a sum of positive squares in 2 ways, for example, as 660952681 + 12780625 = 25709^2 + 3575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×673733306² = 907833135227379272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673733306.

It is not an unprimeable number, because it can be changed into a prime (673733303) by changing a digit.

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, 261485 + ... + 264048.

Almost surely, 2^673733306 is an apocalyptic number.

673733306 is a deficient number, since it is larger than the sum of its proper divisors (338445178).

673733306 is a wasteful number, since it uses less digits than its factorization.

673733306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526176.

The product of its (nonzero) digits is 142884, while the sum is 38.

The square root of 673733306 is about 25956.3731287713. The cubic root of 673733306 is about 876.6562614645.

It can be divided in two parts, 67 and 3733306, that added together give a palindrome (3733373).

The spelling of 673733306 in words is "six hundred seventy-three million, seven hundred thirty-three thousand, three hundred six".