8683720 has 64 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 3267840.

The previous prime is 8683699. The next prime is 8683723. The reversal of 8683720 is 273868.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8683723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58206 + ... + 58354.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^8683720 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 8683720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).

8683720 is an abundant number, since it is smaller than the sum of its proper divisors (12052280).

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

8683720 is a wasteful number, since it uses less digits than its factorization.

8683720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8683720 is about 2946.8152300407. The cubic root of 8683720 is about 205.5426432384.

The spelling of 8683720 in words is "eight million, six hundred eighty-three thousand, seven hundred twenty".