47247724 has 12 divisors (see below), whose sum is σ = 82777464. Its totient is φ = 23597024.

The previous prime is 47247719. The next prime is 47247763. The reversal of 47247724 is 42774274.

It is a happy number.

47247724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2449 + ... + 10024.

It is an arithmetic number, because the mean of its divisors is an integer number (6898122).

Almost surely, 2^47247724 is an apocalyptic number.

It is an amenable number.

47247724 is a deficient number, since it is larger than the sum of its proper divisors (35529740).

47247724 is a wasteful number, since it uses less digits than its factorization.

47247724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424 (or 13422 counting only the distinct ones).

The product of its digits is 87808, while the sum is 37.

The square root of 47247724 is about 6873.6979858007. The cubic root of 47247724 is about 361.5155347883.

The spelling of 47247724 in words is "forty-seven million, two hundred forty-seven thousand, seven hundred twenty-four".