75520030540 has 48 divisors (see below), whose sum is σ = 163855980288. Its totient is φ = 29219004864.

The previous prime is 75520030499. The next prime is 75520030543. The reversal of 75520030540 is 4503002557.

It is not an unprimeable number, because it can be changed into a prime (75520030543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337702 + ... + 514861.

It is an arithmetic number, because the mean of its divisors is an integer number (3413666256).

Almost surely, 2^75520030540 is an apocalyptic number.

It is an amenable number.

75520030540 is an abundant number, since it is smaller than the sum of its proper divisors (88335949748).

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

75520030540 is a wasteful number, since it uses less digits than its factorization.

75520030540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852718 (or 852716 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The spelling of 75520030540 in words is "seventy-five billion, five hundred twenty million, thirty thousand, five hundred forty".