75322427500 has 60 divisors (see below), whose sum is σ = 165702320784. Its totient is φ = 29948392000.

The previous prime is 75322427489. The next prime is 75322427507. The reversal of 75322427500 is 572422357.

It is a self number, because there is not a number n which added to its sum of digits gives 75322427500.

It is not an unprimeable number, because it can be changed into a prime (75322427507) 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 19 ways as a sum of consecutive naturals, for example, 327294 + ... + 507706.

Almost surely, 2^75322427500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75322427500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82851160392).

75322427500 is an abundant number, since it is smaller than the sum of its proper divisors (90379893284).

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

75322427500 is a wasteful number, since it uses less digits than its factorization.

75322427500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180604 (or 180587 counting only the distinct ones).

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

Adding to 75322427500 its reverse (572422357), we get a palindrome (75894849857).

It can be divided in two parts, 753 and 22427500, that added together give a triangular number (22428253 = T₆₆₉₇).

The spelling of 75322427500 in words is "seventy-five billion, three hundred twenty-two million, four hundred twenty-seven thousand, five hundred".