47724773 has 2 divisors, whose sum is σ = 47724774. Its totient is φ = 47724772.

The previous prime is 47724767. The next prime is 47724799. The reversal of 47724773 is 37742774.

47724773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43652449 + 4072324 = 6607^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 47724773 - 2⁴ = 47724757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47724773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47724073) 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 as a sum of consecutive naturals, namely, 23862386 + 23862387.

It is an arithmetic number, because the mean of its divisors is an integer number (23862387).

Almost surely, 2^47724773 is an apocalyptic number.

It is an amenable number.

47724773 is a deficient number, since it is larger than the sum of its proper divisors (1).

47724773 is an equidigital number, since it uses as much as digits as its factorization.

47724773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230496, while the sum is 41.

The square root of 47724773 is about 6908.3118777311. The cubic root of 47724773 is about 362.7281746971.

The spelling of 47724773 in words is "forty-seven million, seven hundred twenty-four thousand, seven hundred seventy-three".