8681764 has 96 divisors (see below), whose sum is σ = 20998656. Its totient is φ = 3041280.

The previous prime is 8681737. The next prime is 8681779. The reversal of 8681764 is 4671868.

It is an Ulam 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, 142294 + ... + 142354.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^8681764 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 8681764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10499328).

8681764 is an abundant number, since it is smaller than the sum of its proper divisors (12316892).

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

8681764 is a wasteful number, since it uses less digits than its factorization.

8681764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 123 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 8681764 is about 2946.4833276297. The cubic root of 8681764 is about 205.5272093153.

The spelling of 8681764 in words is "eight million, six hundred eighty-one thousand, seven hundred sixty-four".