7216036 has 12 divisors (see below), whose sum is σ = 12969628. Its totient is φ = 3510432.

The previous prime is 7216009. The next prime is 7216037. The reversal of 7216036 is 6306127.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 3240000 = 1994^2 + 1800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7216036.

It is not an unprimeable number, because it can be changed into a prime (7216037) 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, 24231 + ... + 24526.

Almost surely, 2^7216036 is an apocalyptic number.

It is an amenable number.

7216036 is a deficient number, since it is larger than the sum of its proper divisors (5753592).

7216036 is a wasteful number, since it uses less digits than its factorization.

7216036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48798 (or 48796 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7216036 is about 2686.2680432153. The cubic root of 7216036 is about 193.2411279173.

Subtracting from 7216036 its reverse (6306127), we obtain a palindrome (909909).

The spelling of 7216036 in words is "seven million, two hundred sixteen thousand, thirty-six".