47447824 has 40 divisors (see below), whose sum is σ = 94993920. Its totient is φ = 22944000.

The previous prime is 47447819. The next prime is 47447831. The reversal of 47447824 is 42874474.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98817 + ... + 99295.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^47447824 is an apocalyptic number.

It is an amenable number.

47447824 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

47447824 is a wasteful number, since it uses less digits than its factorization.

47447824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its digits is 200704, while the sum is 40.

The square root of 47447824 is about 6888.2380911232. The cubic root of 47447824 is about 362.0251704566.

The spelling of 47447824 in words is "forty-seven million, four hundred forty-seven thousand, eight hundred twenty-four".