7216734720 has 480 divisors, whose sum is σ = 26058707136. Its totient is φ = 1692794880.

The previous prime is 7216734703. The next prime is 7216734731. The reversal of 7216734720 is 274376127.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167831019 + ... + 167831061.

Almost surely, 2^7216734720 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 7216734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13029353568).

7216734720 is an abundant number, since it is smaller than the sum of its proper divisors (18841972416).

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

7216734720 is a wasteful number, since it uses less digits than its factorization.

7216734720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 7216734720 is about 84951.3667930069. The cubic root of 7216734720 is about 1932.4736481721.

The spelling of 7216734720 in words is "seven billion, two hundred sixteen million, seven hundred thirty-four thousand, seven hundred twenty".