7531242 has 16 divisors (see below), whose sum is σ = 15582240. Its totient is φ = 2423792.

The previous prime is 7531241. The next prime is 7531253. The reversal of 7531242 is 2421357.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7531241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21468 + ... + 21815.

It is an arithmetic number, because the mean of its divisors is an integer number (973890).

Almost surely, 2^7531242 is an apocalyptic number.

7531242 is an abundant number, since it is smaller than the sum of its proper divisors (8050998).

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

7531242 is a wasteful number, since it uses less digits than its factorization.

7531242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43317.

The product of its digits is 1680, while the sum is 24.

The square root of 7531242 is about 2744.3108424521. The cubic root of 7531242 is about 196.0148017421.

Adding to 7531242 its reverse (2421357), we get a palindrome (9952599).

The spelling of 7531242 in words is "seven million, five hundred thirty-one thousand, two hundred forty-two".