7255648 has 24 divisors (see below), whose sum is σ = 14619528. Its totient is φ = 3542784.

The previous prime is 7255639. The next prime is 7255681. The reversal of 7255648 is 8465527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261 + ... + 4012.

It is an arithmetic number, because the mean of its divisors is an integer number (609147).

Almost surely, 2^7255648 is an apocalyptic number.

It is an amenable number.

7255648 is an abundant number, since it is smaller than the sum of its proper divisors (7363880).

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

7255648 is a wasteful number, since it uses less digits than its factorization.

7255648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326 (or 5318 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 7255648 is about 2693.6310066525. The cubic root of 7255648 is about 193.5940780922.

The spelling of 7255648 in words is "seven million, two hundred fifty-five thousand, six hundred forty-eight".