673169568 has 48 divisors (see below), whose sum is σ = 1776370176. Its totient is φ = 223208960.

The previous prime is 673169533. The next prime is 673169593. The reversal of 673169568 is 865961376.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 673169568.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21 + ... + 36692.

It is an arithmetic number, because the mean of its divisors is an integer number (37007712).

Almost surely, 2^673169568 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 673169568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888185088).

673169568 is an abundant number, since it is smaller than the sum of its proper divisors (1103200608).

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

673169568 is a wasteful number, since it uses less digits than its factorization.

673169568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36917 (or 36909 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 673169568 is about 25945.5115193361. The cubic root of 673169568 is about 876.4116828124.

The spelling of 673169568 in words is "six hundred seventy-three million, one hundred sixty-nine thousand, five hundred sixty-eight".