728171466 has 64 divisors (see below), whose sum is σ = 1686528000. Its totient is φ = 209000880.

The previous prime is 728171459. The next prime is 728171497. The reversal of 728171466 is 664171827.

728171466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149335 + ... + 154133.

It is an arithmetic number, because the mean of its divisors is an integer number (26352000).

Almost surely, 2^728171466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728171466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843264000).

728171466 is an abundant number, since it is smaller than the sum of its proper divisors (958356534).

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

728171466 is a wasteful number, since it uses less digits than its factorization.

728171466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4834 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 728171466 is about 26984.6524157715. The cubic root of 728171466 is about 899.6589102534.

The spelling of 728171466 in words is "seven hundred twenty-eight million, one hundred seventy-one thousand, four hundred sixty-six".