7065216 has 48 divisors (see below), whose sum is σ = 20334210. Its totient is φ = 2354688.

The previous prime is 7065211. The next prime is 7065221. The reversal of 7065216 is 6125607.

7065216 is a `hidden beast` number, since 7 + 0 + 652 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (7065211) and next prime (7065221).

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 2903616 = 2040^2 + 1704^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7065216.

It is not an unprimeable number, because it can be changed into a prime (7065211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1915 + ... + 4218.

Almost surely, 2^7065216 is an apocalyptic number.

It is an amenable number.

7065216 is an abundant number, since it is smaller than the sum of its proper divisors (13268994).

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

7065216 is a wasteful number, since it uses less digits than its factorization.

7065216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7065216 is about 2658.0474036405. The cubic root of 7065216 is about 191.8853482166.

The spelling of 7065216 in words is "seven million, sixty-five thousand, two hundred sixteen".