8330720 has 24 divisors (see below), whose sum is σ = 19681704. Its totient is φ = 3332224.

The previous prime is 8330701. The next prime is 8330753. The reversal of 8330720 is 270338.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25874 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (820071).

Almost surely, 2^8330720 is an apocalyptic number.

8330720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8330720 is an abundant number, since it is smaller than the sum of its proper divisors (11350984).

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

8330720 is a wasteful number, since it uses less digits than its factorization.

8330720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52082 (or 52074 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 8330720 is about 2886.2986678443. The cubic root of 8330720 is about 202.7188712084.

It can be divided in two parts, 83 and 30720, that added together give a palindrome (30803).

The spelling of 8330720 in words is "eight million, three hundred thirty thousand, seven hundred twenty".