47643616 has 24 divisors (see below), whose sum is σ = 94147704. Its totient is φ = 23733120.

The previous prime is 47643611. The next prime is 47643643. The reversal of 47643616 is 61634674.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47643611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (3922821).

Almost surely, 2^47643616 is an apocalyptic number.

It is an amenable number.

47643616 is a deficient number, since it is larger than the sum of its proper divisors (46504088).

47643616 is a wasteful number, since it uses less digits than its factorization.

47643616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554 (or 5546 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 47643616 is about 6902.4355121942. The cubic root of 47643616 is about 362.5224490259.

The spelling of 47643616 in words is "forty-seven million, six hundred forty-three thousand, six hundred sixteen".