7065680 has 20 divisors (see below), whose sum is σ = 16427892. Its totient is φ = 2826240.

The previous prime is 7065679. The next prime is 7065683. The reversal of 7065680 is 865607.

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 2155024 = 2216^2 + 1468^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×7065680³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44081 + ... + 44240.

Almost surely, 2^7065680 is an apocalyptic number.

It is an amenable number.

7065680 is an abundant number, since it is smaller than the sum of its proper divisors (9362212).

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

7065680 is a wasteful number, since it uses less digits than its factorization.

7065680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88334 (or 88328 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 7065680 is about 2658.1346843228. The cubic root of 7065680 is about 191.8895487417.

The spelling of 7065680 in words is "seven million, sixty-five thousand, six hundred eighty".