47745732136 has 16 divisors (see below), whose sum is σ = 89551978740. Its totient is φ = 23865204480.

The previous prime is 47745732119. The next prime is 47745732157. The reversal of 47745732136 is 63123754774.

It is a happy number.

47745732136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46007676036 + 1738056100 = 214494^2 + 41690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47745732136.

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, 931171 + ... + 981106.

Almost surely, 2^47745732136 is an apocalyptic number.

It is an amenable number.

47745732136 is a deficient number, since it is larger than the sum of its proper divisors (41806246604).

47745732136 is a wasteful number, since it uses less digits than its factorization.

47745732136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915404 (or 1915400 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 49.

The spelling of 47745732136 in words is "forty-seven billion, seven hundred forty-five million, seven hundred thirty-two thousand, one hundred thirty-six".