7247775120 has 160 divisors (see below), whose sum is σ = 23317614720. Its totient is φ = 1860096000.

The previous prime is 7247775097. The next prime is 7247775133. The reversal of 7247775120 is 215777427.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2413620 + ... + 2416620.

It is an arithmetic number, because the mean of its divisors is an integer number (145735092).

Almost surely, 2^7247775120 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 7247775120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11658807360).

7247775120 is an abundant number, since it is smaller than the sum of its proper divisors (16069839600).

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

7247775120 is a wasteful number, since it uses less digits than its factorization.

7247775120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The square root of 7247775120 is about 85133.8658819156. The cubic root of 7247775120 is about 1935.2403176209.

The spelling of 7247775120 in words is "seven billion, two hundred forty-seven million, seven hundred seventy-five thousand, one hundred twenty".