47745732132 has 216 divisors, whose sum is σ = 142242609600. Its totient is φ = 13227793920.

The previous prime is 47745732119. The next prime is 47745732157. The reversal of 47745732132 is 23123754774.

47745732132 is a `hidden beast` number, since 4 + 7 + 74 + 573 + 2 + 1 + 3 + 2 = 666.

47745732132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113951419 + ... + 113951837.

It is an arithmetic number, because the mean of its divisors is an integer number (658530600).

Almost surely, 2^47745732132 is an apocalyptic number.

47745732132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47745732132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71121304800).

47745732132 is an abundant number, since it is smaller than the sum of its proper divisors (94496877468).

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

47745732132 is a wasteful number, since it uses less digits than its factorization.

47745732132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 741 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The spelling of 47745732132 in words is "forty-seven billion, seven hundred forty-five million, seven hundred thirty-two thousand, one hundred thirty-two".