50000729 has 2 divisors, whose sum is σ = 50000730. Its totient is φ = 50000728.

The previous prime is 50000719. The next prime is 50000747. The reversal of 50000729 is 92700005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 16418704 = 5795^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000729 - 2¹² = 49996633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50000719) 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, 25000364 + 25000365.

It is an arithmetic number, because the mean of its divisors is an integer number (25000365).

Almost surely, 2^50000729 is an apocalyptic number.

It is an amenable number.

50000729 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000729 is an equidigital number, since it uses as much as digits as its factorization.

50000729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 50000729 is about 7071.1193597619. The cubic root of 50000729 is about 368.4049402946.

The spelling of 50000729 in words is "fifty million, seven hundred twenty-nine", and thus it is an aban number.