729468241 has 2 divisors, whose sum is σ = 729468242. Its totient is φ = 729468240.

The previous prime is 729468217. The next prime is 729468263. The reversal of 729468241 is 142864927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588547600 + 140920641 = 24260^2 + 11871^2 .

It is a cyclic number.

It is not a de Polignac number, because 729468241 - 2¹³ = 729460049 is a prime.

It is not a weakly prime, because it can be changed into another prime (729468281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364734120 + 364734121.

It is an arithmetic number, because the mean of its divisors is an integer number (364734121).

Almost surely, 2^729468241 is an apocalyptic number.

It is an amenable number.

729468241 is a deficient number, since it is larger than the sum of its proper divisors (1).

729468241 is an equidigital number, since it uses as much as digits as its factorization.

729468241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 729468241 is about 27008.6697376972. The cubic root of 729468241 is about 900.1926505286.

The spelling of 729468241 in words is "seven hundred twenty-nine million, four hundred sixty-eight thousand, two hundred forty-one".