7216547371 has 8 divisors (see below), whose sum is σ = 7876571184. Its totient is φ = 6557185920.

The previous prime is 7216547347. The next prime is 7216547399. The reversal of 7216547371 is 1737456127.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7216547371 - 2²¹ = 7214450219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7216544371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142666 + ... + 186511.

It is an arithmetic number, because the mean of its divisors is an integer number (984571398).

Almost surely, 2^7216547371 is an apocalyptic number.

7216547371 is a deficient number, since it is larger than the sum of its proper divisors (660023813).

7216547371 is a wasteful number, since it uses less digits than its factorization.

7216547371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331181.

The product of its digits is 246960, while the sum is 43.

The square root of 7216547371 is about 84950.2641020026. The cubic root of 7216547371 is about 1932.4569254596.

The spelling of 7216547371 in words is "seven billion, two hundred sixteen million, five hundred forty-seven thousand, three hundred seventy-one".