7056720 has 210 divisors, whose sum is σ = 27038634. Its totient is φ = 1710720.

The previous prime is 7056719. The next prime is 7056727. The reversal of 7056720 is 276507.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 1411344 = 2376^2 + 1188^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056727) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 641515 + ... + 641525.

Almost surely, 2^7056720 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 7056720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13519317).

7056720 is an abundant number, since it is smaller than the sum of its proper divisors (19981914).

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

7056720 is a wasteful number, since it uses less digits than its factorization.

7056720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 7056720 is about 2656.4487572698. The cubic root of 7056720 is about 191.8084026180.

It can be divided in two parts, 7056 and 720, that added together give a 5-th power (7776 = 6⁵).

The spelling of 7056720 in words is "seven million, fifty-six thousand, seven hundred twenty".