7216798252 has 12 divisors (see below), whose sum is σ = 12686032576. Its totient is φ = 3592217520.

The previous prime is 7216798249. The next prime is 7216798273. The reversal of 7216798252 is 2528976127.

It is a junction number, because it is equal to n+sod(n) for n = 7216798196 and 7216798205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044399 + ... + 4046182.

Almost surely, 2^7216798252 is an apocalyptic number.

It is an amenable number.

7216798252 is a deficient number, since it is larger than the sum of its proper divisors (5469234324).

7216798252 is a wasteful number, since it uses less digits than its factorization.

7216798252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090808 (or 8090806 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 7216798252 is about 84951.7407237780. The cubic root of 7216798252 is about 1932.4793189526.

The spelling of 7216798252 in words is "seven billion, two hundred sixteen million, seven hundred ninety-eight thousand, two hundred fifty-two".