9747145 has 8 divisors (see below), whose sum is σ = 11753280. Its totient is φ = 7759920.

The previous prime is 9747121. The next prime is 9747149. The reversal of 9747145 is 5417479.

9747145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9747145 - 2²³ = 1358537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9747149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3565 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1469160).

Almost surely, 2^9747145 is an apocalyptic number.

It is an amenable number.

9747145 is a deficient number, since it is larger than the sum of its proper divisors (2006135).

9747145 is a wasteful number, since it uses less digits than its factorization.

9747145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455.

The product of its digits is 35280, while the sum is 37.

The square root of 9747145 is about 3122.0417998483. The cubic root of 9747145 is about 213.6120800142.

The spelling of 9747145 in words is "nine million, seven hundred forty-seven thousand, one hundred forty-five".