9728588070 has 48 divisors (see below), whose sum is σ = 26394088032. Its totient is φ = 2481494400.

The previous prime is 9728588039. The next prime is 9728588083. The reversal of 9728588070 is 708858279.

It is a junction number, because it is equal to n+sod(n) for n = 9728587998 and 9728588016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2347831 + ... + 2351970.

It is an arithmetic number, because the mean of its divisors is an integer number (549876834).

Almost surely, 2^9728588070 is an apocalyptic number.

9728588070 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9728588070 is an abundant number, since it is smaller than the sum of its proper divisors (16665499962).

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

9728588070 is a wasteful number, since it uses less digits than its factorization.

9728588070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699837 (or 4699834 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The square root of 9728588070 is about 98633.6051759237. The cubic root of 9728588070 is about 2134.7643336524.

The spelling of 9728588070 in words is "nine billion, seven hundred twenty-eight million, five hundred eighty-eight thousand, seventy".