7210816 has 28 divisors (see below), whose sum is σ = 14394688. Its totient is φ = 3583872.

The previous prime is 7210811. The next prime is 7210877. The reversal of 7210816 is 6180127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7210811) 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, 19465 + ... + 19831.

It is an arithmetic number, because the mean of its divisors is an integer number (514096).

Almost surely, 2^7210816 is an apocalyptic number.

It is an amenable number.

7210816 is a deficient number, since it is larger than the sum of its proper divisors (7183872).

7210816 is a wasteful number, since it uses less digits than its factorization.

7210816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 7210816 is about 2685.2962592608. The cubic root of 7210816 is about 193.1945205178.

The spelling of 7210816 in words is "seven million, two hundred ten thousand, eight hundred sixteen".