47729773 has 12 divisors (see below), whose sum is σ = 59794140. Its totient is φ = 37763712.

The previous prime is 47729771. The next prime is 47729777. The reversal of 47729773 is 37792774.

47729773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29735209 + 17994564 = 5453^2 + 4242^2 .

It is not a de Polignac number, because 47729773 - 2¹ = 47729771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47729771) 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, 36828 + ... + 38101.

It is an arithmetic number, because the mean of its divisors is an integer number (4982845).

Almost surely, 2^47729773 is an apocalyptic number.

It is an amenable number.

47729773 is a deficient number, since it is larger than the sum of its proper divisors (12064367).

47729773 is a wasteful number, since it uses less digits than its factorization.

47729773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74956 (or 74949 counting only the distinct ones).

The product of its digits is 518616, while the sum is 46.

The square root of 47729773 is about 6908.6737511624. The cubic root of 47729773 is about 362.7408416163.

The spelling of 47729773 in words is "forty-seven million, seven hundred twenty-nine thousand, seven hundred seventy-three".