673965952 has 128 divisors (see below), whose sum is σ = 1594896480. Its totient is φ = 280166400.

The previous prime is 673965937. The next prime is 673965953. The reversal of 673965952 is 259569376.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (3061800) is a multiple of the sum of its prime factors (840).

It is a self number, because there is not a number n which added to its sum of digits gives 673965952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673965953) 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 15 ways as a sum of consecutive naturals, for example, 885252 + ... + 886012.

Almost surely, 2^673965952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673965952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797448240).

673965952 is an abundant number, since it is smaller than the sum of its proper divisors (920930528).

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

673965952 is a wasteful number, since it uses less digits than its factorization.

673965952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 828 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 52.

The square root of 673965952 is about 25960.8542232339. The cubic root of 673965952 is about 876.7571555423.

The spelling of 673965952 in words is "six hundred seventy-three million, nine hundred sixty-five thousand, nine hundred fifty-two".