9747427 has 4 divisors (see below), whose sum is σ = 9753696. Its totient is φ = 9741160.

The previous prime is 9747421. The next prime is 9747457. The reversal of 9747427 is 7247479.

9747427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9747427 - 2¹⁵ = 9714659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9747427.

It is not an unprimeable number, because it can be changed into a prime (9747421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (2438424).

Almost surely, 2^9747427 is an apocalyptic number.

9747427 is a deficient number, since it is larger than the sum of its proper divisors (6269).

9747427 is a wasteful number, since it uses less digits than its factorization.

9747427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268.

The product of its digits is 98784, while the sum is 40.

The square root of 9747427 is about 3122.0869622738. The cubic root of 9747427 is about 213.6141400371.

It can be divided in two parts, 97 and 47427, that added together give a square (47524 = 218²).

The spelling of 9747427 in words is "nine million, seven hundred forty-seven thousand, four hundred twenty-seven".