729320352 has 24 divisors (see below), whose sum is σ = 1914466176. Its totient is φ = 243106752.

The previous prime is 729320311. The next prime is 729320381. The reversal of 729320352 is 253023927.

It is a tau number, because it is divible by the number of its divisors (24).

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, 3798448 + ... + 3798639.

It is an arithmetic number, because the mean of its divisors is an integer number (79769424).

Almost surely, 2^729320352 is an apocalyptic number.

It is an amenable number.

729320352 is an abundant number, since it is smaller than the sum of its proper divisors (1185145824).

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

729320352 is a wasteful number, since it uses less digits than its factorization.

729320352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597100 (or 7597092 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 729320352 is about 27005.9317928488. The cubic root of 729320352 is about 900.1318127927.

The spelling of 729320352 in words is "seven hundred twenty-nine million, three hundred twenty thousand, three hundred fifty-two".