673904553376 has 72 divisors (see below), whose sum is σ = 1401359660064. Its totient is φ = 318965834880.

The previous prime is 673904553359. The next prime is 673904553397. The reversal of 673904553376 is 673355409376.

It is a self number, because there is not a number n which added to its sum of digits gives 673904553376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15029871 + ... + 15074641.

It is an arithmetic number, because the mean of its divisors is an integer number (19463328612).

Almost surely, 2^673904553376 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 673904553376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700679830032).

673904553376 is an abundant number, since it is smaller than the sum of its proper divisors (727455106688).

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

673904553376 is a wasteful number, since it uses less digits than its factorization.

673904553376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46122 (or 46095 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 58.

The spelling of 673904553376 in words is "six hundred seventy-three billion, nine hundred four million, five hundred fifty-three thousand, three hundred seventy-six".