47687716 has 12 divisors (see below), whose sum is σ = 86331420. Its totient is φ = 23021600.

The previous prime is 47687711. The next prime is 47687729. The reversal of 47687716 is 61778674.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 23716900 = 4896^2 + 4870^2 .

It is not an unprimeable number, because it can be changed into a prime (47687711) 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, 205435 + ... + 205666.

It is an arithmetic number, because the mean of its divisors is an integer number (7194285).

Almost surely, 2^47687716 is an apocalyptic number.

It is an amenable number.

47687716 is a deficient number, since it is larger than the sum of its proper divisors (38643704).

47687716 is a wasteful number, since it uses less digits than its factorization.

47687716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411134 (or 411132 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The square root of 47687716 is about 6905.6292978989. The cubic root of 47687716 is about 362.6342675035.

The spelling of 47687716 in words is "forty-seven million, six hundred eighty-seven thousand, seven hundred sixteen".