7215007216 has 20 divisors (see below), whose sum is σ = 14019372792. Its totient is φ = 3597104576.

The previous prime is 7215007211. The next prime is 7215007249. The reversal of 7215007216 is 6127005127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215007211) 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, 644215 + ... + 655318.

Almost surely, 2^7215007216 is an apocalyptic number.

It is an amenable number.

7215007216 is a deficient number, since it is larger than the sum of its proper divisors (6804365576).

7215007216 is a wasteful number, since it uses less digits than its factorization.

7215007216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299888 (or 1299882 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 7215007216 is about 84941.1985787815. The cubic root of 7215007216 is about 1932.3194407410.

The spelling of 7215007216 in words is "seven billion, two hundred fifteen million, seven thousand, two hundred sixteen".