7216210 has 8 divisors (see below), whose sum is σ = 12989196. Its totient is φ = 2886480.

The previous prime is 7216199. The next prime is 7216213. The reversal of 7216210 is 126127.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 1306449 = 2431^2 + 1143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7216213) 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 3 ways as a sum of consecutive naturals, for example, 360801 + ... + 360820.

Almost surely, 2^7216210 is an apocalyptic number.

7216210 is a deficient number, since it is larger than the sum of its proper divisors (5772986).

7216210 is a wasteful number, since it uses less digits than its factorization.

7216210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721628.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 7216210 is about 2686.3004299594. The cubic root of 7216210 is about 193.2426811101.

The spelling of 7216210 in words is "seven million, two hundred sixteen thousand, two hundred ten".