729427627 has 2 divisors, whose sum is σ = 729427628. Its totient is φ = 729427626.

The previous prime is 729427609. The next prime is 729427631. The reversal of 729427627 is 726724927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729427627 - 2¹⁵ = 729394859 is a prime.

It is a super-2 number, since 2×729427627² = 1064129326061702258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (729427637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364713813 + 364713814.

It is an arithmetic number, because the mean of its divisors is an integer number (364713814).

Almost surely, 2^729427627 is an apocalyptic number.

729427627 is a deficient number, since it is larger than the sum of its proper divisors (1).

729427627 is an equidigital number, since it uses as much as digits as its factorization.

729427627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The square root of 729427627 is about 27007.9178575469. The cubic root of 729427627 is about 900.1759437913.

The spelling of 729427627 in words is "seven hundred twenty-nine million, four hundred twenty-seven thousand, six hundred twenty-seven".