729043322368 has 240 divisors, whose sum is σ = 1566667539360. Its totient is φ = 338644992000.

The previous prime is 729043322353. The next prime is 729043322377. The reversal of 729043322368 is 863223340927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432304898 + ... + 1432305406.

It is an arithmetic number, because the mean of its divisors is an integer number (6527781414).

Almost surely, 2^729043322368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 729043322368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783333769680).

729043322368 is an abundant number, since it is smaller than the sum of its proper divisors (837624216992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729043322368 is an equidigital number, since it uses as much as digits as its factorization.

729043322368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 729043322368 in words is "seven hundred twenty-nine billion, forty-three million, three hundred twenty-two thousand, three hundred sixty-eight".