9740220 has 72 divisors (see below), whose sum is σ = 31734864. Its totient is φ = 2225664.

The previous prime is 9740207. The next prime is 9740239. The reversal of 9740220 is 220479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (440762).

Almost surely, 2^9740220 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 9740220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15867432).

9740220 is an abundant number, since it is smaller than the sum of its proper divisors (21994644).

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

9740220 is a wasteful number, since it uses less digits than its factorization.

9740220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 9740220 is about 3120.9325529399. The cubic root of 9740220 is about 213.5614800996.

Adding to 9740220 its reverse (220479), we get a palindrome (9960699).

The spelling of 9740220 in words is "nine million, seven hundred forty thousand, two hundred twenty".