7530042 has 32 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 2194560.

The previous prime is 7530007. The next prime is 7530059. The reversal of 7530042 is 2400357.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (533610).

Almost surely, 2^7530042 is an apocalyptic number.

7530042 is an abundant number, since it is smaller than the sum of its proper divisors (9545478).

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

7530042 is a wasteful number, since it uses less digits than its factorization.

7530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7530042 is about 2744.0921996172. The cubic root of 7530042 is about 196.0043904334.

Adding to 7530042 its reverse (2400357), we get a palindrome (9930399).

The spelling of 7530042 in words is "seven million, five hundred thirty thousand, forty-two".