7086720 has 64 divisors (see below), whose sum is σ = 22595040. Its totient is φ = 1889280.

The previous prime is 7086719. The next prime is 7086731. The reversal of 7086720 is 276807.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75 + ... + 3765.

Almost surely, 2^7086720 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 7086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11297520).

7086720 is an abundant number, since it is smaller than the sum of its proper divisors (15508320).

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

7086720 is a wasteful number, since it uses less digits than its factorization.

7086720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7086720 is about 2662.0894049599. The cubic root of 7086720 is about 192.0798279164.

The spelling of 7086720 in words is "seven million, eighty-six thousand, seven hundred twenty".