729547069 has 2 divisors, whose sum is σ = 729547070. Its totient is φ = 729547068.

The previous prime is 729547037. The next prime is 729547103. The reversal of 729547069 is 960745927.

729547069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663320025 + 66227044 = 25755^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 729547069 - 2⁵ = 729547037 is a prime.

It is a super-2 number, since 2×729547069² = 1064477851772981522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729547369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364773534 + 364773535.

It is an arithmetic number, because the mean of its divisors is an integer number (364773535).

Almost surely, 2^729547069 is an apocalyptic number.

It is an amenable number.

729547069 is a deficient number, since it is larger than the sum of its proper divisors (1).

729547069 is an equidigital number, since it uses as much as digits as its factorization.

729547069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 729547069 is about 27010.1290074668. The cubic root of 729547069 is about 900.2250749835.

The spelling of 729547069 in words is "seven hundred twenty-nine million, five hundred forty-seven thousand, sixty-nine".