7250775426 has 32 divisors (see below), whose sum is σ = 16311768000. Its totient is φ = 2416923684.

The previous prime is 7250775419. The next prime is 7250775437. The reversal of 7250775426 is 6245770527.

7250775426 is a `hidden beast` number, since 72 + 507 + 7 + 54 + 26 = 666.

7250775426 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824476 + ... + 833223.

It is an arithmetic number, because the mean of its divisors is an integer number (509742750).

Almost surely, 2^7250775426 is an apocalyptic number.

7250775426 is an abundant number, since it is smaller than the sum of its proper divisors (9060992574).

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

7250775426 is an equidigital number, since it uses as much as digits as its factorization.

7250775426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657722 (or 1657704 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 7250775426 is about 85151.4851661438. The cubic root of 7250775426 is about 1935.5073196561.

The spelling of 7250775426 in words is "seven billion, two hundred fifty million, seven hundred seventy-five thousand, four hundred twenty-six".