4361729 has 2 divisors, whose sum is σ = 4361730. Its totient is φ = 4361728.

The previous prime is 4361723. The next prime is 4361737. The reversal of 4361729 is 9271634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 2096704 = 1505^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 4361729 - 2⁸ = 4361473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4361695 and 4361704.

It is not a weakly prime, because it can be changed into another prime (4361723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180864 + 2180865.

It is an arithmetic number, because the mean of its divisors is an integer number (2180865).

Almost surely, 2^4361729 is an apocalyptic number.

It is an amenable number.

4361729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4361729 is an equidigital number, since it uses as much as digits as its factorization.

4361729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 4361729 is about 2088.4752811561. The cubic root of 4361729 is about 163.3877753634.

The spelling of 4361729 in words is "four million, three hundred sixty-one thousand, seven hundred twenty-nine".