75029778912 has 192 divisors, whose sum is σ = 219794238720. Its totient is φ = 22218547200.

The previous prime is 75029778899. The next prime is 75029778913. The reversal of 75029778912 is 21987792057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75029778913) 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 31 ways as a sum of consecutive naturals, for example, 10775112 + ... + 10782072.

It is an arithmetic number, because the mean of its divisors is an integer number (1144761660).

Almost surely, 2^75029778912 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 75029778912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109897119360).

75029778912 is an abundant number, since it is smaller than the sum of its proper divisors (144764459808).

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

75029778912 is a wasteful number, since it uses less digits than its factorization.

75029778912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217 (or 7209 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 75029778912 in words is "seventy-five billion, twenty-nine million, seven hundred seventy-eight thousand, nine hundred twelve".