7440252 has 24 divisors (see below), whose sum is σ = 17404800. Its totient is φ = 2473776.

The previous prime is 7440227. The next prime is 7440263. The reversal of 7440252 is 2520447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8449 + ... + 9287.

It is an arithmetic number, because the mean of its divisors is an integer number (725200).

Almost surely, 2^7440252 is an apocalyptic number.

It is an amenable number.

7440252 is an abundant number, since it is smaller than the sum of its proper divisors (9964548).

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

7440252 is a wasteful number, since it uses less digits than its factorization.

7440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

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

The square root of 7440252 is about 2727.6825328473. The cubic root of 7440252 is about 195.2222056056. Note that the first 4 decimals are identical.

Adding to 7440252 its reverse (2520447), we get a palindrome (9960699).

The spelling of 7440252 in words is "seven million, four hundred forty thousand, two hundred fifty-two".