729227039 has 2 divisors, whose sum is σ = 729227040. Its totient is φ = 729227038.

The previous prime is 729227027. The next prime is 729227063. The reversal of 729227039 is 930722927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729227039 - 2¹² = 729222943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 729226987 and 729227005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729217039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364613519 + 364613520.

It is an arithmetic number, because the mean of its divisors is an integer number (364613520).

Almost surely, 2^729227039 is an apocalyptic number.

729227039 is a deficient number, since it is larger than the sum of its proper divisors (1).

729227039 is an equidigital number, since it uses as much as digits as its factorization.

729227039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 729227039 is about 27004.2040986214. The cubic root of 729227039 is about 900.0934219895.

The spelling of 729227039 in words is "seven hundred twenty-nine million, two hundred twenty-seven thousand, thirty-nine".