673440630 has 32 divisors (see below), whose sum is σ = 1653848064. Its totient is φ = 175407456.

The previous prime is 673440623. The next prime is 673440641. The reversal of 673440630 is 36044376.

673440630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 673440591 and 673440600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259734 + ... + 262313.

It is an arithmetic number, because the mean of its divisors is an integer number (51682752).

Almost surely, 2^673440630 is an apocalyptic number.

673440630 is an abundant number, since it is smaller than the sum of its proper divisors (980407434).

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

673440630 is a wasteful number, since it uses less digits than its factorization.

673440630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522100.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 673440630 is about 25950.7346716813. The cubic root of 673440630 is about 876.5293005401.

The spelling of 673440630 in words is "six hundred seventy-three million, four hundred forty thousand, six hundred thirty".