75545471368 has 16 divisors (see below), whose sum is σ = 141856997580. Its totient is φ = 37716938688.

The previous prime is 75545471347. The next prime is 75545471431. The reversal of 75545471368 is 86317454557.

It can be written as a sum of positive squares in 2 ways, for example, as 59466724164 + 16078747204 = 243858^2 + 126802^2 .

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 3 ways as a sum of consecutive naturals, for example, 6968871 + ... + 6979702.

Almost surely, 2^75545471368 is an apocalyptic number.

It is an amenable number.

75545471368 is a deficient number, since it is larger than the sum of its proper divisors (66311526212).

75545471368 is a wasteful number, since it uses less digits than its factorization.

75545471368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949256 (or 13949252 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 55.

The spelling of 75545471368 in words is "seventy-five billion, five hundred forty-five million, four hundred seventy-one thousand, three hundred sixty-eight".