75729495044 has 48 divisors (see below), whose sum is σ = 154792028160. Its totient is φ = 31742263200.

The previous prime is 75729495031. The next prime is 75729495053. The reversal of 75729495044 is 44059492757.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1889687 + ... + 1929345.

It is an arithmetic number, because the mean of its divisors is an integer number (3224833920).

Almost surely, 2^75729495044 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 75729495044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77396014080).

75729495044 is an abundant number, since it is smaller than the sum of its proper divisors (79062533116).

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

75729495044 is a wasteful number, since it uses less digits than its factorization.

75729495044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41168 (or 41166 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 75729495044 in words is "seventy-five billion, seven hundred twenty-nine million, four hundred ninety-five thousand, forty-four".