7216502500 has 45 divisors (see below), whose sum is σ = 15790341567. Its totient is φ = 2884902000.

The previous prime is 7216502497. The next prime is 7216502519. The reversal of 7216502500 is 52056127.

The square root of 7216502500 is 84950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 565773796 + 6650728704 = 23786^2 + 81552^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4246651 + ... + 4248349.

Almost surely, 2^7216502500 is an apocalyptic number.

7216502500 is the 84950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7216502500

7216502500 is an abundant number, since it is smaller than the sum of its proper divisors (8573839067).

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

7216502500 is an frugal number, since it uses more digits than its factorization.

7216502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The cubic root of 7216502500 is about 1932.4529202454.

Adding to 7216502500 its reverse (52056127), we get a palindrome (7268558627).

The spelling of 7216502500 in words is "seven billion, two hundred sixteen million, five hundred two thousand, five hundred".