876720672 has 144 divisors (see below), whose sum is σ = 2669651712. Its totient is φ = 282735360.

The previous prime is 876720659. The next prime is 876720697. The reversal of 876720672 is 276027678.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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, 239238 + ... + 242874.

It is an arithmetic number, because the mean of its divisors is an integer number (18539248).

Almost surely, 2^876720672 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 876720672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334825856).

876720672 is an abundant number, since it is smaller than the sum of its proper divisors (1792931040).

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

876720672 is a wasteful number, since it uses less digits than its factorization.

876720672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 876720672 is about 29609.4692961559. The cubic root of 876720672 is about 957.0921384151.

The spelling of 876720672 in words is "eight hundred seventy-six million, seven hundred twenty thousand, six hundred seventy-two".