729772870 has 8 divisors (see below), whose sum is σ = 1313591184. Its totient is φ = 291909144.

The previous prime is 729772859. The next prime is 729772873. The reversal of 729772870 is 78277927.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729772873) 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 3 ways as a sum of consecutive naturals, for example, 36488634 + ... + 36488653.

It is an arithmetic number, because the mean of its divisors is an integer number (164198898).

Almost surely, 2^729772870 is an apocalyptic number.

729772870 is a deficient number, since it is larger than the sum of its proper divisors (583818314).

729772870 is a wasteful number, since it uses less digits than its factorization.

729772870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72977294.

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 729772870 is about 27014.3086159909. The cubic root of 729772870 is about 900.3179411663.

The spelling of 729772870 in words is "seven hundred twenty-nine million, seven hundred seventy-two thousand, eight hundred seventy".