9972303 has 8 divisors (see below), whose sum is σ = 14505216. Its totient is φ = 6043800.

The previous prime is 9972241. The next prime is 9972329. The reversal of 9972303 is 3032799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9972303 - 2¹³ = 9964111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 302191 = 9972303 / (9 + 9 + 7 + 2 + 3 + 0 + 3).

9972303 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151063 + ... + 151128.

It is an arithmetic number, because the mean of its divisors is an integer number (1813152).

Almost surely, 2^9972303 is an apocalyptic number.

9972303 is a deficient number, since it is larger than the sum of its proper divisors (4532913).

9972303 is a wasteful number, since it uses less digits than its factorization.

9972303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302205.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 9972303 is about 3157.8953434210. The cubic root of 9972303 is about 215.2443804927.

The spelling of 9972303 in words is "nine million, nine hundred seventy-two thousand, three hundred three".