9972873 has 12 divisors (see below), whose sum is σ = 14609088. Its totient is φ = 6554520.

The previous prime is 9972811. The next prime is 9972913. The reversal of 9972873 is 3782799.

It is not a de Polignac number, because 9972873 - 2⁸ = 9972617 is a prime.

9972873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9972803) 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, 7165 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (1217424).

Almost surely, 2^9972873 is an apocalyptic number.

It is an amenable number.

9972873 is a deficient number, since it is larger than the sum of its proper divisors (4636215).

9972873 is a wasteful number, since it uses less digits than its factorization.

9972873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15684 (or 15681 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 9972873 is about 3157.9855921141. The cubic root of 9972873 is about 215.2484814164.

The spelling of 9972873 in words is "nine million, nine hundred seventy-two thousand, eight hundred seventy-three".