7255580 has 24 divisors (see below), whose sum is σ = 15900192. Its totient is φ = 2775872.

The previous prime is 7255529. The next prime is 7255609. The reversal of 7255580 is 855527.

It is a happy number.

It is a super-3 number, since 3×7255580³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7427 + ... + 8346.

It is an arithmetic number, because the mean of its divisors is an integer number (662508).

Almost surely, 2^7255580 is an apocalyptic number.

It is an amenable number.

7255580 is an abundant number, since it is smaller than the sum of its proper divisors (8644612).

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

7255580 is a wasteful number, since it uses less digits than its factorization.

7255580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805 (or 15803 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 7255580 is about 2693.6183842556. The cubic root of 7255580 is about 193.5934733018.

The spelling of 7255580 in words is "seven million, two hundred fifty-five thousand, five hundred eighty".