75727632299905 has 4 divisors (see below), whose sum is σ = 90873158759892. Its totient is φ = 60582105839920.

The previous prime is 75727632299833. The next prime is 75727632299911. The reversal of 75727632299905 is 50999223672757.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24197387399056 + 51530244900849 = 4919084^2 + 7178457^2 .

It is not a de Polignac number, because 75727632299905 - 2¹¹ = 75727632297857 is a prime.

It is a Duffinian number.

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, 7572763229986 + ... + 7572763229995.

It is an arithmetic number, because the mean of its divisors is an integer number (22718289689973).

Almost surely, 2^{75727632299905} is an apocalyptic number.

It is an amenable number.

75727632299905 is a deficient number, since it is larger than the sum of its proper divisors (15145526459987).

75727632299905 is a wasteful number, since it uses less digits than its factorization.

75727632299905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15145526459986.

The product of its (nonzero) digits is 900169200, while the sum is 73.

The spelling of 75727632299905 in words is "seventy-five trillion, seven hundred twenty-seven billion, six hundred thirty-two million, two hundred ninety-nine thousand, nine hundred five".