4747105729 has 4 divisors (see below), whose sum is σ = 4910799060. Its totient is φ = 4583412400.

The previous prime is 4747105717. The next prime is 4747105751. The reversal of 4747105729 is 9275017474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2058890625 + 2688215104 = 45375^2 + 51848^2 .

It is a cyclic number.

It is not a de Polignac number, because 4747105729 - 2¹⁷ = 4746974657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4747105799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81846622 + ... + 81846679.

It is an arithmetic number, because the mean of its divisors is an integer number (1227699765).

Almost surely, 2^4747105729 is an apocalyptic number.

It is an amenable number.

4747105729 is a deficient number, since it is larger than the sum of its proper divisors (163693331).

4747105729 is a wasteful number, since it uses less digits than its factorization.

4747105729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163693330.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 4747105729 is about 68899.2433122455. The cubic root of 4747105729 is about 1680.6462141042.

The spelling of 4747105729 in words is "four billion, seven hundred forty-seven million, one hundred five thousand, seven hundred twenty-nine".