47724752 has 20 divisors (see below), whose sum is σ = 92585220. Its totient is φ = 23831808.

The previous prime is 47724739. The next prime is 47724757. The reversal of 47724752 is 25742774.

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 1157776 = 6824^2 + 1076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47724757) 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 3 ways as a sum of consecutive naturals, for example, 16124 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (4629261).

Almost surely, 2^47724752 is an apocalyptic number.

It is an amenable number.

47724752 is a deficient number, since it is larger than the sum of its proper divisors (44860468).

47724752 is a wasteful number, since it uses less digits than its factorization.

47724752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3824 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 47724752 is about 6908.3103578227. The cubic root of 47724752 is about 362.7281214941.

The spelling of 47724752 in words is "forty-seven million, seven hundred twenty-four thousand, seven hundred fifty-two".