729119980 has 12 divisors (see below), whose sum is σ = 1531152000. Its totient is φ = 291647984.

The previous prime is 729119921. The next prime is 729120011. The reversal of 729119980 is 89911927.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 729119980.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18227980 + ... + 18228019.

It is an arithmetic number, because the mean of its divisors is an integer number (127596000).

Almost surely, 2^729119980 is an apocalyptic number.

It is an amenable number.

729119980 is an abundant number, since it is smaller than the sum of its proper divisors (802032020).

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

729119980 is a wasteful number, since it uses less digits than its factorization.

729119980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36456008 (or 36456006 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 729119980 is about 27002.2217604404. The cubic root of 729119980 is about 900.0493717771.

The spelling of 729119980 in words is "seven hundred twenty-nine million, one hundred nineteen thousand, nine hundred eighty".