7217063816 has 32 divisors (see below), whose sum is σ = 14265026400. Its totient is φ = 3413612160.

The previous prime is 7217063813. The next prime is 7217063851. The reversal of 7217063816 is 6183607127.

It is not an unprimeable number, because it can be changed into a prime (7217063813) 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, 70676 + ... + 139388.

It is an arithmetic number, because the mean of its divisors is an integer number (445782075).

Almost surely, 2^7217063816 is an apocalyptic number.

7217063816 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7217063816 is a deficient number, since it is larger than the sum of its proper divisors (7047962584).

7217063816 is a wasteful number, since it uses less digits than its factorization.

7217063816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69429 (or 69425 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7217063816 is about 84953.3037379948. The cubic root of 7217063816 is about 1932.5030224762.

The spelling of 7217063816 in words is "seven billion, two hundred seventeen million, sixty-three thousand, eight hundred sixteen".