4561729 has 16 divisors (see below), whose sum is σ = 5270400. Its totient is φ = 3919104.

The previous prime is 4561727. The next prime is 4561747. The reversal of 4561729 is 9271654.

It is a cyclic number.

It is not a de Polignac number, because 4561729 - 2¹ = 4561727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4561694 and 4561703.

It is not an unprimeable number, because it can be changed into a prime (4561723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9124 + ... + 9610.

It is an arithmetic number, because the mean of its divisors is an integer number (329400).

Almost surely, 2^4561729 is an apocalyptic number.

It is an amenable number.

4561729 is a deficient number, since it is larger than the sum of its proper divisors (708671).

4561729 is a wasteful number, since it uses less digits than its factorization.

4561729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 15120, while the sum is 34.

The square root of 4561729 is about 2135.8204512552. The cubic root of 4561729 is about 165.8478428646.

The spelling of 4561729 in words is "four million, five hundred sixty-one thousand, seven hundred twenty-nine".