9628720 has 40 divisors (see below), whose sum is σ = 23364576. Its totient is φ = 3683328.

The previous prime is 9628711. The next prime is 9628721. The reversal of 9628720 is 278269.

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

It is not an unprimeable number, because it can be changed into a prime (9628721) 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, 777 + ... + 4456.

Almost surely, 2^9628720 is an apocalyptic number.

It is an amenable number.

9628720 is an abundant number, since it is smaller than the sum of its proper divisors (13735856).

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

9628720 is a wasteful number, since it uses less digits than its factorization.

9628720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 9628720 is about 3103.0178858653. The cubic root of 9628720 is about 212.7434441824.

The spelling of 9628720 in words is "nine million, six hundred twenty-eight thousand, seven hundred twenty".