8063720 has 64 divisors (see below), whose sum is σ = 21427200. Its totient is φ = 2672640.

The previous prime is 8063701. The next prime is 8063723. The reversal of 8063720 is 273608.

It is a super-3 number, since 3×8063720³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8063720.

It is not an unprimeable number, because it can be changed into a prime (8063723) 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, 8216 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

Almost surely, 2^8063720 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 8063720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10713600).

8063720 is an abundant number, since it is smaller than the sum of its proper divisors (13363480).

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

8063720 is a wasteful number, since it uses less digits than its factorization.

8063720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 8063720 is about 2839.6689947950. The cubic root of 8063720 is about 200.5295964005.

The spelling of 8063720 in words is "eight million, sixty-three thousand, seven hundred twenty".