75225757506 has 8 divisors (see below), whose sum is σ = 150451515024. Its totient is φ = 25075252500.

The previous prime is 75225757487. The next prime is 75225757549. The reversal of 75225757506 is 60575752257.

It is a happy number.

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

75225757506 is an admirable number.

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, 6268813120 + ... + 6268813131.

It is an arithmetic number, because the mean of its divisors is an integer number (18806439378).

Almost surely, 2^75225757506 is an apocalyptic number.

75225757506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75225757506 is a wasteful number, since it uses less digits than its factorization.

75225757506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537626256.

The product of its (nonzero) digits is 5145000, while the sum is 51.

The spelling of 75225757506 in words is "seventy-five billion, two hundred twenty-five million, seven hundred fifty-seven thousand, five hundred six".