47574545472 has 168 divisors, whose sum is σ = 142102560600. Its totient is φ = 15198855168.

The previous prime is 47574545471. The next prime is 47574545483. The reversal of 47574545472 is 27454547574.

47574545472 is a `hidden beast` number, since 4 + 7 + 57 + 4 + 545 + 47 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18218520576 + 29356024896 = 134976^2 + 171336^2 .

It is not an unprimeable number, because it can be changed into a prime (47574545471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2278054 + ... + 2298842.

It is an arithmetic number, because the mean of its divisors is an integer number (845848575).

Almost surely, 2^47574545472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47574545472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71051280300).

47574545472 is an abundant number, since it is smaller than the sum of its proper divisors (94528015128).

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

47574545472 is a wasteful number, since it uses less digits than its factorization.

47574545472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20973 (or 20960 counting only the distinct ones).

The product of its digits is 21952000, while the sum is 54.

The spelling of 47574545472 in words is "forty-seven billion, five hundred seventy-four million, five hundred forty-five thousand, four hundred seventy-two".