673000320000 has 220 divisors, whose sum is σ = 2241527900216. Its totient is φ = 179466240000.

The previous prime is 673000319983. The next prime is 673000320089. The reversal of 673000320000 is 23000376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1744740 + ... + 2095260.

Almost surely, 2^673000320000 is an apocalyptic number.

673000320000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673000320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120763950108).

673000320000 is an abundant number, since it is smaller than the sum of its proper divisors (1568527580216).

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

673000320000 is an equidigital number, since it uses as much as digits as its factorization.

673000320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350564 (or 350531 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

Adding to 673000320000 its reverse (23000376), we get a palindrome (673023320376).

The spelling of 673000320000 in words is "six hundred seventy-three billion, three hundred twenty thousand".