673200203500 has 96 divisors (see below), whose sum is σ = 1607935178304. Its totient is φ = 244188800000.

The previous prime is 673200203471. The next prime is 673200203513. The reversal of 673200203500 is 5302002376.

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, 2052882 + ... + 2358118.

It is an arithmetic number, because the mean of its divisors is an integer number (16749324774).

Almost surely, 2^673200203500 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 673200203500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803967589152).

673200203500 is an abundant number, since it is smaller than the sum of its proper divisors (934734974804).

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

673200203500 is a wasteful number, since it uses less digits than its factorization.

673200203500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305668 (or 305656 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 673200203500 its reverse (5302002376), we get a palindrome (678502205876).

The spelling of 673200203500 in words is "six hundred seventy-three billion, two hundred million, two hundred three thousand, five hundred".