7200216 has 24 divisors (see below), whose sum is σ = 19500780. Its totient is φ = 2400048.

The previous prime is 7200211. The next prime is 7200217. The reversal of 7200216 is 6120027.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×7200216³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

7200216 is a modest number, since divided by 216 gives 72 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7200211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49930 + ... + 50073.

Almost surely, 2^7200216 is an apocalyptic number.

It is an amenable number.

7200216 is an abundant number, since it is smaller than the sum of its proper divisors (12300564).

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

7200216 is a wasteful number, since it uses less digits than its factorization.

7200216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100015 (or 100008 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7200216 is about 2683.3218219215. The cubic root of 7200216 is about 193.0998078806.

It can be divided in two parts, 720021 and 6, that added together give a palindrome (720027).

The spelling of 7200216 in words is "seven million, two hundred thousand, two hundred sixteen".