673311744 has 352 divisors, whose sum is σ = 2358144000. Its totient is φ = 189665280.

The previous prime is 673311733. The next prime is 673311773. The reversal of 673311744 is 447113376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 673311699 and 673311708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9483229 + ... + 9483299.

Almost surely, 2^673311744 is an apocalyptic number.

673311744 is a gapful number since it is divisible by the number (64) 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 673311744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179072000).

673311744 is an abundant number, since it is smaller than the sum of its proper divisors (1684832256).

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

673311744 is an equidigital number, since it uses as much as digits as its factorization.

673311744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 83 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 673311744 is about 25948.2512705577. The cubic root of 673311744 is about 876.4733789744.

The spelling of 673311744 in words is "six hundred seventy-three million, three hundred eleven thousand, seven hundred forty-four".