7542543700 has 18 divisors (see below), whose sum is σ = 16367320046. Its totient is φ = 3017017440.

The previous prime is 7542543667. The next prime is 7542543707. The reversal of 7542543700 is 73452457.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 450882756 + 7091660944 = 21234^2 + 84212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7542543700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542543707) 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 5 ways as a sum of consecutive naturals, for example, 37712619 + ... + 37712818.

Almost surely, 2^7542543700 is an apocalyptic number.

It is an amenable number.

7542543700 is an abundant number, since it is smaller than the sum of its proper divisors (8824776346).

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

7542543700 is a wasteful number, since it uses less digits than its factorization.

7542543700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75425451 (or 75425444 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 7542543700 is about 86847.8192011751. The cubic root of 7542543700 is about 1961.1280210214.

The spelling of 7542543700 in words is "seven billion, five hundred forty-two million, five hundred forty-three thousand, seven hundred".