9749971 has 12 divisors (see below), whose sum is σ = 12373560. Its totient is φ = 7596960.

The previous prime is 9749963. The next prime is 9749989. The reversal of 9749971 is 1799479.

9749971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9749971 - 2³ = 9749963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9749911) 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, 8506 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (1031130).

Almost surely, 2^9749971 is an apocalyptic number.

9749971 is a deficient number, since it is larger than the sum of its proper divisors (2623589).

9749971 is a wasteful number, since it uses less digits than its factorization.

9749971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114 (or 18107 counting only the distinct ones).

The product of its digits is 142884, while the sum is 46.

The square root of 9749971 is about 3122.4943554793. The cubic root of 9749971 is about 213.6327222777.

The spelling of 9749971 in words is "nine million, seven hundred forty-nine thousand, nine hundred seventy-one".