729445744772 has 6 divisors (see below), whose sum is σ = 1276530053358. Its totient is φ = 364722872384.

The previous prime is 729445744733. The next prime is 729445744777. The reversal of 729445744772 is 277447544927.

It can be written as a sum of positive squares in only one way, i.e., 699621836356 + 29823908416 = 836434^2 + 172696^2 .

It is not an unprimeable number, because it can be changed into a prime (729445744777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91180718093 + ... + 91180718100.

It is an arithmetic number, because the mean of its divisors is an integer number (212755008893).

Almost surely, 2^729445744772 is an apocalyptic number.

It is an amenable number.

729445744772 is a deficient number, since it is larger than the sum of its proper divisors (547084308586).

729445744772 is a wasteful number, since it uses less digits than its factorization.

729445744772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182361436197 (or 182361436195 counting only the distinct ones).

The product of its digits is 110638080, while the sum is 62.

The spelling of 729445744772 in words is "seven hundred twenty-nine billion, four hundred forty-five million, seven hundred forty-four thousand, seven hundred seventy-two".