729920027 has 2 divisors, whose sum is σ = 729920028. Its totient is φ = 729920026.

The previous prime is 729920021. The next prime is 729920033. The reversal of 729920027 is 720029927.

It is a balanced prime because it is at equal distance from previous prime (729920021) and next prime (729920033).

It is a cyclic number.

It is not a de Polignac number, because 729920027 - 2¹⁶ = 729854491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (729920021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364960013 + 364960014.

It is an arithmetic number, because the mean of its divisors is an integer number (364960014).

Almost surely, 2^729920027 is an apocalyptic number.

729920027 is a deficient number, since it is larger than the sum of its proper divisors (1).

729920027 is an equidigital number, since it uses as much as digits as its factorization.

729920027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 729920027 is about 27017.0321649140. The cubic root of 729920027 is about 900.3784527713.

The spelling of 729920027 in words is "seven hundred twenty-nine million, nine hundred twenty thousand, twenty-seven".