75312732568 has 16 divisors (see below), whose sum is σ = 141215077080. Its totient is φ = 37655378688.

The previous prime is 75312732557. The next prime is 75312732577. The reversal of 75312732568 is 86523721357.

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 3 ways as a sum of consecutive naturals, for example, 277096 + ... + 476872.

Almost surely, 2^75312732568 is an apocalyptic number.

It is an amenable number.

75312732568 is a deficient number, since it is larger than the sum of its proper divisors (65902344512).

75312732568 is a wasteful number, since it uses less digits than its factorization.

75312732568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246906 (or 246902 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 75312732568 in words is "seventy-five billion, three hundred twelve million, seven hundred thirty-two thousand, five hundred sixty-eight".