75147221064 has 16 divisors (see below), whose sum is σ = 187868052720. Its totient is φ = 25049073680.

The previous prime is 75147221059. The next prime is 75147221089. The reversal of 75147221064 is 46012274157.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565567082 + ... + 1565567129.

It is an arithmetic number, because the mean of its divisors is an integer number (11741753295).

Almost surely, 2^75147221064 is an apocalyptic number.

It is an amenable number.

75147221064 is an abundant number, since it is smaller than the sum of its proper divisors (112720831656).

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

75147221064 is a wasteful number, since it uses less digits than its factorization.

75147221064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131134220 (or 3131134216 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 75147221064 in words is "seventy-five billion, one hundred forty-seven million, two hundred twenty-one thousand, sixty-four".