729427630 has 24 divisors (see below), whose sum is σ = 1334914776. Its totient is φ = 286973280.

The previous prime is 729427627. The next prime is 729427631. The reversal of 729427630 is 36724927.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729427631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27409 + ... + 47011.

It is an arithmetic number, because the mean of its divisors is an integer number (55621449).

Almost surely, 2^729427630 is an apocalyptic number.

729427630 is a deficient number, since it is larger than the sum of its proper divisors (605487146).

729427630 is a wasteful number, since it uses less digits than its factorization.

729427630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732 (or 19671 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 729427630 is about 27007.9179130862. The cubic root of 729427630 is about 900.1759450253.

The spelling of 729427630 in words is "seven hundred twenty-nine million, four hundred twenty-seven thousand, six hundred thirty".