4729725529 has 9 divisors (see below), whose sum is σ = 4785738237. Its totient is φ = 4674363264.

The previous prime is 4729725527. The next prime is 4729725541. The reversal of 4729725529 is 9255279274.

It is a happy number.

The square root of 4729725529 is 68773.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 941569225 + 3788156304 = 30685^2 + 61548^2 .

It is not a de Polignac number, because 4729725529 - 2¹ = 4729725527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4729725527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6670627 + ... + 6671335.

It is an arithmetic number, because the mean of its divisors is an integer number (531748693).

Almost surely, 2^4729725529 is an apocalyptic number.

4729725529 is the 68773-rd square number.

4729725529 is the 34387-th centered octagonal number.

It is an amenable number.

4729725529 is a deficient number, since it is larger than the sum of its proper divisors (56012708).

4729725529 is an frugal number, since it uses more digits than its factorization.

4729725529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 806 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 52.

The cubic root of 4729725529 is about 1678.5926338297.

The spelling of 4729725529 in words is "four billion, seven hundred twenty-nine million, seven hundred twenty-five thousand, five hundred twenty-nine".