329080729 has 2 divisors, whose sum is σ = 329080730. Its totient is φ = 329080728.

The previous prime is 329080723. The next prime is 329080753. The reversal of 329080729 is 927080923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283855104 + 45225625 = 16848^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 329080729 - 2³ = 329080721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 329080691 and 329080700.

It is not a weakly prime, because it can be changed into another prime (329080721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164540364 + 164540365.

It is an arithmetic number, because the mean of its divisors is an integer number (164540365).

Almost surely, 2^329080729 is an apocalyptic number.

It is an amenable number.

329080729 is a deficient number, since it is larger than the sum of its proper divisors (1).

329080729 is an equidigital number, since it uses as much as digits as its factorization.

329080729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 329080729 is about 18140.5823776416. The cubic root of 329080729 is about 690.4000543625.

The spelling of 329080729 in words is "three hundred twenty-nine million, eighty thousand, seven hundred twenty-nine".