47645656 has 16 divisors (see below), whose sum is σ = 89450640. Its totient is φ = 23792160.

The previous prime is 47645641. The next prime is 47645671. The reversal of 47645656 is 65654674.

It is a happy number.

47645656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47645641) and next prime (47645671).

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 3 ways as a sum of consecutive naturals, for example, 3621 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (5590665).

Almost surely, 2^47645656 is an apocalyptic number.

It is an amenable number.

47645656 is a deficient number, since it is larger than the sum of its proper divisors (41804984).

47645656 is a wasteful number, since it uses less digits than its factorization.

47645656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674 (or 7670 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 47645656 is about 6902.5832845392. The cubic root of 47645656 is about 362.5276231031.

The spelling of 47645656 in words is "forty-seven million, six hundred forty-five thousand, six hundred fifty-six".