729028847 has 2 divisors, whose sum is σ = 729028848. Its totient is φ = 729028846.

The previous prime is 729028823. The next prime is 729028877. The reversal of 729028847 is 748820927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729028847 - 2²⁰ = 727980271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729028877) 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, 364514423 + 364514424.

It is an arithmetic number, because the mean of its divisors is an integer number (364514424).

Almost surely, 2^729028847 is an apocalyptic number.

729028847 is a deficient number, since it is larger than the sum of its proper divisors (1).

729028847 is an equidigital number, since it uses as much as digits as its factorization.

729028847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 729028847 is about 27000.5341984191. The cubic root of 729028847 is about 900.0118710368.

The spelling of 729028847 in words is "seven hundred twenty-nine million, twenty-eight thousand, eight hundred forty-seven".