7512742 has 16 divisors (see below), whose sum is σ = 12087360. Its totient is φ = 3489408.

The previous prime is 7512737. The next prime is 7512749. The reversal of 7512742 is 2472157.

It is a self number, because there is not a number n which added to its sum of digits gives 7512742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7512749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (755460).

Almost surely, 2^7512742 is an apocalyptic number.

7512742 is a deficient number, since it is larger than the sum of its proper divisors (4574618).

7512742 is a wasteful number, since it uses less digits than its factorization.

7512742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 3920, while the sum is 28.

The square root of 7512742 is about 2740.9381605574. The cubic root of 7512742 is about 195.8541709933.

Adding to 7512742 its reverse (2472157), we get a palindrome (9984899).

The spelling of 7512742 in words is "seven million, five hundred twelve thousand, seven hundred forty-two".