7072385320 has 256 divisors, whose sum is σ = 21510074880. Its totient is φ = 2021068800.

The previous prime is 7072385297. The next prime is 7072385347. The reversal of 7072385320 is 235832707.

It is a super-2 number, since 2×7072385320² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7072385320.

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, 6926410 + ... + 6927430.

It is an arithmetic number, because the mean of its divisors is an integer number (84023730).

Almost surely, 2^7072385320 is an apocalyptic number.

7072385320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7072385320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10755037440).

7072385320 is an abundant number, since it is smaller than the sum of its proper divisors (14437689560).

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

7072385320 is a wasteful number, since it uses less digits than its factorization.

7072385320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7072385320 is about 84097.4751107309. The cubic root of 7072385320 is about 1919.5023051731.

The spelling of 7072385320 in words is "seven billion, seventy-two million, three hundred eighty-five thousand, three hundred twenty".