728085821034 has 32 divisors (see below), whose sum is σ = 1710747105984. Its totient is φ = 203660369280.

The previous prime is 728085821027. The next prime is 728085821039. The reversal of 728085821034 is 430128580827.

It is not an unprimeable number, because it can be changed into a prime (728085821039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424291579 + ... + 424293294.

It is an arithmetic number, because the mean of its divisors is an integer number (53460847062).

Almost surely, 2^728085821034 is an apocalyptic number.

728085821034 is an abundant number, since it is smaller than the sum of its proper divisors (982661284950).

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

728085821034 is a wasteful number, since it uses less digits than its factorization.

728085821034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848584902.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 728085821034 in words is "seven hundred twenty-eight billion, eighty-five million, eight hundred twenty-one thousand, thirty-four".