47471144 has 32 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 19642560.

The previous prime is 47471131. The next prime is 47471147. The reversal of 47471144 is 44117474.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47471144.

It is not an unprimeable number, because it can be changed into a prime (47471147) 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, 12992 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (3288600).

Almost surely, 2^47471144 is an apocalyptic number.

It is an amenable number.

47471144 is an abundant number, since it is smaller than the sum of its proper divisors (57764056).

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

47471144 is a wasteful number, since it uses less digits than its factorization.

47471144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273 (or 29269 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 47471144 is about 6889.9306237436. The cubic root of 47471144 is about 362.0844709930.

The spelling of 47471144 in words is "forty-seven million, four hundred seventy-one thousand, one hundred forty-four".