729698870 has 32 divisors (see below), whose sum is σ = 1366437600. Its totient is φ = 280220416.

The previous prime is 729698869. The next prime is 729698873. The reversal of 729698870 is 78896927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729698873) 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 in 15 ways as a sum of consecutive naturals, for example, 44882 + ... + 58938.

It is an arithmetic number, because the mean of its divisors is an integer number (42701175).

Almost surely, 2^729698870 is an apocalyptic number.

729698870 is a deficient number, since it is larger than the sum of its proper divisors (636738730).

729698870 is a wasteful number, since it uses less digits than its factorization.

729698870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 729698870 is about 27012.9389367392. The cubic root of 729698870 is about 900.2875089673.

The spelling of 729698870 in words is "seven hundred twenty-nine million, six hundred ninety-eight thousand, eight hundred seventy".