729024140 has 24 divisors (see below), whose sum is σ = 1648716720. Its totient is φ = 269178048.

The previous prime is 729024139. The next prime is 729024143. The reversal of 729024140 is 41420927.

It is not an unprimeable number, because it can be changed into a prime (729024143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401710 + ... + 1402229.

It is an arithmetic number, because the mean of its divisors is an integer number (68696530).

Almost surely, 2^729024140 is an apocalyptic number.

It is an amenable number.

729024140 is an abundant number, since it is smaller than the sum of its proper divisors (919692580).

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

729024140 is a wasteful number, since it uses less digits than its factorization.

729024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803961 (or 2803959 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 729024140 is about 27000.4470333363. The cubic root of 729024140 is about 900.0099340467.

The spelling of 729024140 in words is "seven hundred twenty-nine million, twenty-four thousand, one hundred forty".