47472144 has 40 divisors (see below), whose sum is σ = 123548640. Its totient is φ = 15706368.

The previous prime is 47472133. The next prime is 47472149. The reversal of 47472144 is 44127474.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47472149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (3088716).

Almost surely, 2^47472144 is an apocalyptic number.

It is an amenable number.

47472144 is an abundant number, since it is smaller than the sum of its proper divisors (76076496).

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

47472144 is a wasteful number, since it uses less digits than its factorization.

47472144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367 (or 7361 counting only the distinct ones).

The product of its digits is 25088, while the sum is 33.

The square root of 47472144 is about 6890.0031930326. The cubic root of 47472144 is about 362.0870134633.

The spelling of 47472144 in words is "forty-seven million, four hundred seventy-two thousand, one hundred forty-four".