729234721316 has 12 divisors (see below), whose sum is σ = 1281126370188. Its totient is φ = 363198615552.

The previous prime is 729234721289. The next prime is 729234721357. The reversal of 729234721316 is 613127432927.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 463910832100 + 265323889216 = 681110^2 + 515096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354685121 + ... + 354687176.

It is an arithmetic number, because the mean of its divisors is an integer number (106760530849).

Almost surely, 2^729234721316 is an apocalyptic number.

It is an amenable number.

729234721316 is a deficient number, since it is larger than the sum of its proper divisors (551891648872).

729234721316 is a wasteful number, since it uses less digits than its factorization.

729234721316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709372558 (or 709372556 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The spelling of 729234721316 in words is "seven hundred twenty-nine billion, two hundred thirty-four million, seven hundred twenty-one thousand, three hundred sixteen".