7255880 has 16 divisors (see below), whose sum is σ = 16325820. Its totient is φ = 2902336.

The previous prime is 7255867. The next prime is 7255883. The reversal of 7255880 is 885527.

7255880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 401956 = 2618^2 + 634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7255880.

It is not an unprimeable number, because it can be changed into a prime (7255883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90659 + ... + 90738.

Almost surely, 2^7255880 is an apocalyptic number.

It is an amenable number.

7255880 is an abundant number, since it is smaller than the sum of its proper divisors (9069940).

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

7255880 is a wasteful number, since it uses less digits than its factorization.

7255880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181408 (or 181404 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 7255880 is about 2693.6740708556. The cubic root of 7255880 is about 193.5961414663.

The spelling of 7255880 in words is "seven million, two hundred fifty-five thousand, eight hundred eighty".