9749680 has 40 divisors (see below), whose sum is σ = 23159232. Its totient is φ = 3815424.

The previous prime is 9749647. The next prime is 9749681. The reversal of 9749680 is 869479.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9749681) 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, 2464 + ... + 5056.

Almost surely, 2^9749680 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 9749680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11579616).

9749680 is an abundant number, since it is smaller than the sum of its proper divisors (13409552).

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

9749680 is a wasteful number, since it uses less digits than its factorization.

9749680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9749680 is about 3122.4477577695. The cubic root of 9749680 is about 213.6305968785.

It can be divided in two parts, 97 and 49680, that multiplied together give a triangular number (4818960 = T₃₁₀₄).

The spelling of 9749680 in words is "nine million, seven hundred forty-nine thousand, six hundred eighty".