729132899 has 8 divisors (see below), whose sum is σ = 798251760. Its totient is φ = 660486400.

The previous prime is 729132883. The next prime is 729132931. The reversal of 729132899 is 998231927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729132899 - 2⁴ = 729132883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729132869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114854 + ... + 121035.

It is an arithmetic number, because the mean of its divisors is an integer number (99781470).

Almost surely, 2^729132899 is an apocalyptic number.

729132899 is a deficient number, since it is larger than the sum of its proper divisors (69118861).

729132899 is a wasteful number, since it uses less digits than its factorization.

729132899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236181.

The product of its digits is 489888, while the sum is 50.

The square root of 729132899 is about 27002.4609804366. The cubic root of 729132899 is about 900.0546876234.

The spelling of 729132899 in words is "seven hundred twenty-nine million, one hundred thirty-two thousand, eight hundred ninety-nine".