728470176 has 96 divisors (see below), whose sum is σ = 2207253888. Its totient is φ = 206054400.

The previous prime is 728470159. The next prime is 728470177. The reversal of 728470176 is 671074827.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (728470177) 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, 62506 + ... + 73238.

It is an arithmetic number, because the mean of its divisors is an integer number (22992228).

Almost surely, 2^728470176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728470176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103626944).

728470176 is an abundant number, since it is smaller than the sum of its proper divisors (1478783712).

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

728470176 is a wasteful number, since it uses less digits than its factorization.

728470176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854 (or 10846 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 728470176 is about 26990.1866610811. The cubic root of 728470176 is about 899.7819125896.

The spelling of 728470176 in words is "seven hundred twenty-eight million, four hundred seventy thousand, one hundred seventy-six".