729284573 has 2 divisors, whose sum is σ = 729284574. Its totient is φ = 729284572.

The previous prime is 729284561. The next prime is 729284593. The reversal of 729284573 is 375482927.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699232249 + 30052324 = 26443^2 + 5482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729284573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729284533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364642286 + 364642287.

It is an arithmetic number, because the mean of its divisors is an integer number (364642287).

Almost surely, 2^729284573 is an apocalyptic number.

It is an amenable number.

729284573 is a deficient number, since it is larger than the sum of its proper divisors (1).

729284573 is an equidigital number, since it uses as much as digits as its factorization.

729284573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 729284573 is about 27005.2693561831. The cubic root of 729284573 is about 900.1170929956.

The spelling of 729284573 in words is "seven hundred twenty-nine million, two hundred eighty-four thousand, five hundred seventy-three".