9745620 has 48 divisors (see below), whose sum is σ = 27760320. Its totient is φ = 2553856.

The previous prime is 9745597. The next prime is 9745621. The reversal of 9745620 is 265479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745621) 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, 2164 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^9745620 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 9745620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880160).

9745620 is an abundant number, since it is smaller than the sum of its proper divisors (18014700).

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

9745620 is a wasteful number, since it uses less digits than its factorization.

9745620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 9745620 is about 3121.7975590996. The cubic root of 9745620 is about 213.6009391309.

The spelling of 9745620 in words is "nine million, seven hundred forty-five thousand, six hundred twenty".