7440532 has 18 divisors (see below), whose sum is σ = 14313194. Its totient is φ = 3381840.

The previous prime is 7440529. The next prime is 7440539. The reversal of 7440532 is 2350447.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 3254416 = 2046^2 + 1804^2 .

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 7440497 and 7440506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7203 + ... + 8170.

Almost surely, 2^7440532 is an apocalyptic number.

It is an amenable number.

7440532 is a deficient number, since it is larger than the sum of its proper divisors (6872662).

7440532 is a wasteful number, since it uses less digits than its factorization.

7440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 7440532 is about 2727.7338579854. The cubic root of 7440532 is about 195.2246545160.

Adding to 7440532 its reverse (2350447), we get a palindrome (9790979).

The spelling of 7440532 in words is "seven million, four hundred forty thousand, five hundred thirty-two".