7128860032 has 64 divisors (see below), whose sum is σ = 16473277440. Its totient is φ = 3009600000.

The previous prime is 7128859981. The next prime is 7128860077. The reversal of 7128860032 is 2300688217.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 7128859973 and 7128860000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657 + ... + 119407.

It is an arithmetic number, because the mean of its divisors is an integer number (257394960).

Almost surely, 2^7128860032 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 7128860032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8236638720).

7128860032 is an abundant number, since it is smaller than the sum of its proper divisors (9344417408).

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

7128860032 is a wasteful number, since it uses less digits than its factorization.

7128860032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118839 (or 118827 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 7128860032 is about 84432.5768409327. The cubic root of 7128860032 is about 1924.5979961801.

The spelling of 7128860032 in words is "seven billion, one hundred twenty-eight million, eight hundred sixty thousand, thirty-two".