9972275 has 12 divisors (see below), whose sum is σ = 12424800. Its totient is φ = 7939680.

The previous prime is 9972241. The next prime is 9972329. The reversal of 9972275 is 5722799.

It is a happy number.

It is not a de Polignac number, because 9972275 - 2¹⁰ = 9971251 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 9² + 9⁴ + 7⁵ + 2⁴ + 2¹⁶ + 7⁶ + 5¹⁰ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5141 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1035400).

Almost surely, 2^9972275 is an apocalyptic number.

9972275 is a deficient number, since it is larger than the sum of its proper divisors (2452525).

9972275 is a wasteful number, since it uses less digits than its factorization.

9972275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1913 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 9972275 is about 3157.8909100854. The cubic root of 9972275 is about 215.2441790398.

The spelling of 9972275 in words is "nine million, nine hundred seventy-two thousand, two hundred seventy-five".