7244540 has 24 divisors (see below), whose sum is σ = 15876000. Its totient is φ = 2771648.

The previous prime is 7244539. The next prime is 7244557. The reversal of 7244540 is 454427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7415 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^7244540 is an apocalyptic number.

It is an amenable number.

7244540 is an abundant number, since it is smaller than the sum of its proper divisors (8631460).

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

7244540 is a wasteful number, since it uses less digits than its factorization.

7244540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781 (or 15779 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 7244540 is about 2691.5683160566. The cubic root of 7244540 is about 193.4952336537.

Adding to 7244540 its reverse (454427), we get a palindrome (7698967).

The spelling of 7244540 in words is "seven million, two hundred forty-four thousand, five hundred forty".