729946929 has 16 divisors (see below), whose sum is σ = 1029497472. Its totient is φ = 459093888.

The previous prime is 729946913. The next prime is 729946937. The reversal of 729946929 is 929649927.

It is not a de Polignac number, because 729946929 - 2⁴ = 729946913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729946979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67422 + ... + 77495.

It is an arithmetic number, because the mean of its divisors is an integer number (64343592).

Almost surely, 2^729946929 is an apocalyptic number.

It is an amenable number.

729946929 is a deficient number, since it is larger than the sum of its proper divisors (299550543).

729946929 is a wasteful number, since it uses less digits than its factorization.

729946929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145016.

The product of its digits is 4408992, while the sum is 57.

The square root of 729946929 is about 27017.5300314444. The cubic root of 729946929 is about 900.3895141126.

The spelling of 729946929 in words is "seven hundred twenty-nine million, nine hundred forty-six thousand, nine hundred twenty-nine".