9973200 has 60 divisors (see below), whose sum is σ = 31951328. Its totient is φ = 2659200.

The previous prime is 9973199. The next prime is 9973207. The reversal of 9973200 is 23799.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956 + ... + 5355.

Almost surely, 2^9973200 is an apocalyptic number.

It is an amenable number.

9973200 is an abundant number, since it is smaller than the sum of its proper divisors (21978128).

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

9973200 is a wasteful number, since it uses less digits than its factorization.

9973200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 9973200 is about 3158.0373652001. The cubic root of 9973200 is about 215.2508339810.

Adding to 9973200 its reverse (23799), we get a palindrome (9996999).

The spelling of 9973200 in words is "nine million, nine hundred seventy-three thousand, two hundred".