7244520 has 64 divisors (see below), whose sum is σ = 22057920. Its totient is φ = 1903104.

The previous prime is 7244513. The next prime is 7244521. The reversal of 7244520 is 254427.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (7244521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8347 + ... + 9173.

It is an arithmetic number, because the mean of its divisors is an integer number (344655).

Almost surely, 2^7244520 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 7244520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11028960).

7244520 is an abundant number, since it is smaller than the sum of its proper divisors (14813400).

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

7244520 is a wasteful number, since it uses less digits than its factorization.

7244520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7244520 is about 2691.5646007480. The cubic root of 7244520 is about 193.4950555928.

Adding to 7244520 its reverse (254427), we get a palindrome (7498947).

The spelling of 7244520 in words is "seven million, two hundred forty-four thousand, five hundred twenty".