7543532 has 12 divisors (see below), whose sum is σ = 13896120. Its totient is φ = 3573216.

The previous prime is 7543531. The next prime is 7543561. The reversal of 7543532 is 2353457.

It is a junction number, because it is equal to n+sod(n) for n = 7543495 and 7543504.

It is not an unprimeable number, because it can be changed into a prime (7543531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49553 + ... + 49704.

It is an arithmetic number, because the mean of its divisors is an integer number (1158010).

Almost surely, 2^7543532 is an apocalyptic number.

It is an amenable number.

7543532 is a deficient number, since it is larger than the sum of its proper divisors (6352588).

7543532 is a wasteful number, since it uses less digits than its factorization.

7543532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99280 (or 99278 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 7543532 is about 2746.5491075166. The cubic root of 7543532 is about 196.1213672859.

Adding to 7543532 its reverse (2353457), we get a palindrome (9896989).

The spelling of 7543532 in words is "seven million, five hundred forty-three thousand, five hundred thirty-two".