4745729 has 2 divisors, whose sum is σ = 4745730. Its totient is φ = 4745728.

The previous prime is 4745707. The next prime is 4745743. The reversal of 4745729 is 9275474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4739329 + 6400 = 2177^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4745729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4745692 and 4745701.

It is not a weakly prime, because it can be changed into another prime (4745749) 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, 2372864 + 2372865.

It is an arithmetic number, because the mean of its divisors is an integer number (2372865).

Almost surely, 2^4745729 is an apocalyptic number.

It is an amenable number.

4745729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745729 is an equidigital number, since it uses as much as digits as its factorization.

4745729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 4745729 is about 2178.4694168154. The cubic root of 4745729 is about 168.0483727863.

The spelling of 4745729 in words is "four million, seven hundred forty-five thousand, seven hundred twenty-nine".