128350710 has 64 divisors (see below), whose sum is σ = 347924160. Its totient is φ = 33661440.

The previous prime is 128350693. The next prime is 128350721. The reversal of 128350710 is 17053821.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 12574 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (5436315).

Almost surely, 2^128350710 is an apocalyptic number.

128350710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128350710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173962080).

128350710 is an abundant number, since it is smaller than the sum of its proper divisors (219573450).

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

128350710 is a wasteful number, since it uses less digits than its factorization.

128350710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 128350710 is about 11329.1972354620. The cubic root of 128350710 is about 504.4282782541.

The spelling of 128350710 in words is "one hundred twenty-eight million, three hundred fifty thousand, seven hundred ten".