4450729 has 2 divisors, whose sum is σ = 4450730. Its totient is φ = 4450728.

The previous prime is 4450711. The next prime is 4450739. The reversal of 4450729 is 9270544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 1638400 = 1677^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450729 - 2⁵ = 4450697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4450729.

It is not a weakly prime, because it can be changed into another prime (4450739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225364 + 2225365.

It is an arithmetic number, because the mean of its divisors is an integer number (2225365).

Almost surely, 2^4450729 is an apocalyptic number.

It is an amenable number.

4450729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4450729 is an equidigital number, since it uses as much as digits as its factorization.

4450729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4450729 is about 2109.6750934682. The cubic root of 4450729 is about 164.4915970246.

The spelling of 4450729 in words is "four million, four hundred fifty thousand, seven hundred twenty-nine".