673373742912 has 448 divisors, whose sum is σ = 2160008847360. Its totient is φ = 204476203008.

The previous prime is 673373742851. The next prime is 673373742929. The reversal of 673373742912 is 219247373376.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664731718 + ... + 664732730.

It is an arithmetic number, because the mean of its divisors is an integer number (4821448320).

Almost surely, 2^673373742912 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 673373742912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080004423680).

673373742912 is an abundant number, since it is smaller than the sum of its proper divisors (1486635104448).

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

673373742912 is a wasteful number, since it uses less digits than its factorization.

673373742912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1391 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 54.

The spelling of 673373742912 in words is "six hundred seventy-three billion, three hundred seventy-three million, seven hundred forty-two thousand, nine hundred twelve".