47447752 has 32 divisors (see below), whose sum is σ = 98654400. Its totient is φ = 21211200.

The previous prime is 47447747. The next prime is 47447753. The reversal of 47447752 is 25774474.

It is not an unprimeable number, because it can be changed into a prime (47447753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (3082950).

Almost surely, 2^47447752 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 47447752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49327200).

47447752 is an abundant number, since it is smaller than the sum of its proper divisors (51206648).

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

47447752 is a wasteful number, since it uses less digits than its factorization.

47447752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917 (or 8913 counting only the distinct ones).

The product of its digits is 219520, while the sum is 40.

The square root of 47447752 is about 6888.2328648210. The cubic root of 47447752 is about 362.0249873374.

The spelling of 47447752 in words is "forty-seven million, four hundred forty-seven thousand, seven hundred fifty-two".