75318005506 has 8 divisors (see below), whose sum is σ = 113261586300. Its totient is φ = 37564143408.

The previous prime is 75318005473. The next prime is 75318005531. The reversal of 75318005506 is 60550081357.

It can be written as a sum of positive squares in 2 ways, for example, as 70742700625 + 4575304881 = 265975^2 + 67641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47428681 + ... + 47430268.

Almost surely, 2^75318005506 is an apocalyptic number.

75318005506 is a deficient number, since it is larger than the sum of its proper divisors (37943580794).

75318005506 is a wasteful number, since it uses less digits than its factorization.

75318005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94859348.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 75318005506 in words is "seventy-five billion, three hundred eighteen million, five thousand, five hundred six".