75365330928 has 80 divisors (see below), whose sum is σ = 198509616000. Its totient is φ = 24630092032.

The previous prime is 75365330881. The next prime is 75365330959. The reversal of 75365330928 is 82903356357.

It is a super-4 number, since 4×75365330928⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3803575 + ... + 3823337.

It is an arithmetic number, because the mean of its divisors is an integer number (2481370200).

Almost surely, 2^75365330928 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 75365330928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99254808000).

75365330928 is an abundant number, since it is smaller than the sum of its proper divisors (123144285072).

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

75365330928 is a wasteful number, since it uses less digits than its factorization.

75365330928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326 (or 21320 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 75365330928 in words is "seventy-five billion, three hundred sixty-five million, three hundred thirty thousand, nine hundred twenty-eight".