7648656 has 20 divisors (see below), whose sum is σ = 19759152. Its totient is φ = 2549536.

The previous prime is 7648649. The next prime is 7648687. The reversal of 7648656 is 6568467.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79626 + ... + 79721.

Almost surely, 2^7648656 is an apocalyptic number.

It is an amenable number.

7648656 is an abundant number, since it is smaller than the sum of its proper divisors (12110496).

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

7648656 is a wasteful number, since it uses less digits than its factorization.

7648656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159358 (or 159352 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 7648656 is about 2765.6203644029. The cubic root of 7648656 is about 197.0281938914.

The spelling of 7648656 in words is "seven million, six hundred forty-eight thousand, six hundred fifty-six".