9747120 has 80 divisors (see below), whose sum is σ = 32006880. Its totient is φ = 2445312.

The previous prime is 9747119. The next prime is 9747121. The reversal of 9747120 is 217479.

It is an interprime number because it is at equal distance from previous prime (9747119) and next prime (9747121).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (9747121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (400086).

Almost surely, 2^9747120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9747120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16003440).

9747120 is an abundant number, since it is smaller than the sum of its proper divisors (22259760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9747120 is a wasteful number, since it uses less digits than its factorization.

9747120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 9747120 is about 3122.0377960556. The cubic root of 9747120 is about 213.6118973861.

The spelling of 9747120 in words is "nine million, seven hundred forty-seven thousand, one hundred twenty".