47656716 has 12 divisors (see below), whose sum is σ = 111199032. Its totient is φ = 15885568.

The previous prime is 47656711. The next prime is 47656717. The reversal of 47656716 is 61765674.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47656711) 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, 1985685 + ... + 1985708.

It is an arithmetic number, because the mean of its divisors is an integer number (9266586).

Almost surely, 2^47656716 is an apocalyptic number.

It is an amenable number.

47656716 is an abundant number, since it is smaller than the sum of its proper divisors (63542316).

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

47656716 is a wasteful number, since it uses less digits than its factorization.

47656716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971400 (or 3971398 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 47656716 is about 6903.3843873857. The cubic root of 47656716 is about 362.5556721471. Note that the first 3 decimals are identical.

The spelling of 47656716 in words is "forty-seven million, six hundred fifty-six thousand, seven hundred sixteen".