673865598940320 has 384 divisors, whose sum is σ = 2135720266606080. Its totient is φ = 178597137530880.

The previous prime is 673865598940249. The next prime is 673865598940321. The reversal of 673865598940320 is 23049895568376.

It is not an unprimeable number, because it can be changed into a prime (673865598940321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158147286990 + ... + 158147291250.

It is an arithmetic number, because the mean of its divisors is an integer number (5561771527620).

Almost surely, 2^{673865598940320} is an apocalyptic number.

673865598940320 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 673865598940320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067860133303040).

673865598940320 is an abundant number, since it is smaller than the sum of its proper divisors (1461854667665760).

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

673865598940320 is a wasteful number, since it uses less digits than its factorization.

673865598940320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368 (or 7360 counting only the distinct ones).

The product of its (nonzero) digits is 2351462400, while the sum is 75.

The spelling of 673865598940320 in words is "six hundred seventy-three trillion, eight hundred sixty-five billion, five hundred ninety-eight million, nine hundred forty thousand, three hundred twenty".