75765281421324 has 96 divisors (see below), whose sum is σ = 207728556456960. Its totient is φ = 21244965940800.

The previous prime is 75765281421317. The next prime is 75765281421329. The reversal of 75765281421324 is 42312418256757.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (75765281421329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351164742 + ... + 351380429.

It is an arithmetic number, because the mean of its divisors is an integer number (2163839129760).

Almost surely, 2^{75765281421324} is an apocalyptic number.

It is an amenable number.

75765281421324 is an abundant number, since it is smaller than the sum of its proper divisors (131963275035636).

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

75765281421324 is a wasteful number, since it uses less digits than its factorization.

75765281421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702545251 (or 702545249 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 57.

The spelling of 75765281421324 in words is "seventy-five trillion, seven hundred sixty-five billion, two hundred eighty-one million, four hundred twenty-one thousand, three hundred twenty-four".