729428728580 has 24 divisors (see below), whose sum is σ = 1532117610240. Its totient is φ = 291711057120.

The previous prime is 729428728577. The next prime is 729428728619. The reversal of 729428728580 is 85827824927.

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 7 ways as a sum of consecutive naturals, for example, 3678110 + ... + 3871349.

It is an arithmetic number, because the mean of its divisors is an integer number (63838233760).

Almost surely, 2^729428728580 is an apocalyptic number.

It is an amenable number.

729428728580 is an abundant number, since it is smaller than the sum of its proper divisors (802688881660).

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

729428728580 is a wasteful number, since it uses less digits than its factorization.

729428728580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554299 (or 7554297 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 729428728580 in words is "seven hundred twenty-nine billion, four hundred twenty-eight million, seven hundred twenty-eight thousand, five hundred eighty".