7216908624 has 320 divisors, whose sum is σ = 22798540800. Its totient is φ = 2177280000.

The previous prime is 7216908617. The next prime is 7216908631. The reversal of 7216908624 is 4268096127.

It is a happy number.

7216908624 is a `hidden beast` number, since 7 + 2 + 16 + 9 + 0 + 8 + 624 = 666.

It is an interprime number because it is at equal distance from previous prime (7216908617) and next prime (7216908631).

It is a self number, because there is not a number n which added to its sum of digits gives 7216908624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28752499 + ... + 28752749.

It is an arithmetic number, because the mean of its divisors is an integer number (71245440).

Almost surely, 2^7216908624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7216908624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11399270400).

7216908624 is an abundant number, since it is smaller than the sum of its proper divisors (15581632176).

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

7216908624 is a wasteful number, since it uses less digits than its factorization.

7216908624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 7216908624 is about 84952.3903371765. The cubic root of 7216908624 is about 1932.4891705291.

The spelling of 7216908624 in words is "seven billion, two hundred sixteen million, nine hundred eight thousand, six hundred twenty-four".