47724755 has 12 divisors (see below), whose sum is σ = 62015040. Its totient is φ = 35242272.

The previous prime is 47724739. The next prime is 47724757. The reversal of 47724755 is 55742774.

47724755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47724755 - 2⁴ = 47724739 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27395 + ... + 29084.

It is an arithmetic number, because the mean of its divisors is an integer number (5167920).

Almost surely, 2^47724755 is an apocalyptic number.

47724755 is a deficient number, since it is larger than the sum of its proper divisors (14290285).

47724755 is a wasteful number, since it uses less digits than its factorization.

47724755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56510 (or 56497 counting only the distinct ones).

The product of its digits is 274400, while the sum is 41.

The square root of 47724755 is about 6908.3105749525. The cubic root of 47724755 is about 362.7281290945.

The spelling of 47724755 in words is "forty-seven million, seven hundred twenty-four thousand, seven hundred fifty-five".