47666756 has 6 divisors (see below), whose sum is σ = 83416830. Its totient is φ = 23833376.

The previous prime is 47666753. The next prime is 47666761. The reversal of 47666756 is 65766674.

47666756 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., 38241856 + 9424900 = 6184^2 + 3070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47666756.

It is not an unprimeable number, because it can be changed into a prime (47666753) 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, 5958341 + ... + 5958348.

It is an arithmetic number, because the mean of its divisors is an integer number (13902805).

Almost surely, 2^47666756 is an apocalyptic number.

It is an amenable number.

47666756 is a deficient number, since it is larger than the sum of its proper divisors (35750074).

47666756 is a wasteful number, since it uses less digits than its factorization.

47666756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916693 (or 11916691 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The square root of 47666756 is about 6904.1115286473. Note that the first 3 decimals coincide. The cubic root of 47666756 is about 362.5811306320.

The spelling of 47666756 in words is "forty-seven million, six hundred sixty-six thousand, seven hundred fifty-six".