47105684 has 6 divisors (see below), whose sum is σ = 82434954. Its totient is φ = 23552840.

The previous prime is 47105629. The next prime is 47105689. The reversal of 47105684 is 48650174.

47105684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 183184 = 6850^2 + 428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47105689) by changing a digit.

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 as a sum of consecutive naturals, namely, 5888207 + ... + 5888214.

It is an arithmetic number, because the mean of its divisors is an integer number (13739159).

Almost surely, 2^47105684 is an apocalyptic number.

It is an amenable number.

47105684 is a deficient number, since it is larger than the sum of its proper divisors (35329270).

47105684 is a wasteful number, since it uses less digits than its factorization.

47105684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11776425 (or 11776423 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 47105684 is about 6863.3580702161. The cubic root of 47105684 is about 361.1528985558.

The spelling of 47105684 in words is "forty-seven million, one hundred five thousand, six hundred eighty-four".