728590470 has 64 divisors (see below), whose sum is σ = 1787111424. Its totient is φ = 190037120.

The previous prime is 728590453. The next prime is 728590507. The reversal of 728590470 is 74095827.

728590470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 799315 + ... + 800225.

It is an arithmetic number, because the mean of its divisors is an integer number (27923616).

Almost surely, 2^728590470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728590470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893555712).

728590470 is an abundant number, since it is smaller than the sum of its proper divisors (1058520954).

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

728590470 is a wasteful number, since it uses less digits than its factorization.

728590470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 728590470 is about 26992.4150457124. The cubic root of 728590470 is about 899.8314375674.

The spelling of 728590470 in words is "seven hundred twenty-eight million, five hundred ninety thousand, four hundred seventy".