75484221844 has 24 divisors (see below), whose sum is σ = 133057201536. Its totient is φ = 37468872000.

The previous prime is 75484221809. The next prime is 75484221889. The reversal of 75484221844 is 44812248457.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 180699 + ... + 428509.

It is an arithmetic number, because the mean of its divisors is an integer number (5544050064).

Almost surely, 2^75484221844 is an apocalyptic number.

It is an amenable number.

75484221844 is a deficient number, since it is larger than the sum of its proper divisors (57572979692).

75484221844 is a wasteful number, since it uses less digits than its factorization.

75484221844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248367 (or 248365 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 49.

The spelling of 75484221844 in words is "seventy-five billion, four hundred eighty-four million, two hundred twenty-one thousand, eight hundred forty-four".