47668671 has 6 divisors (see below), whose sum is σ = 68854760. Its totient is φ = 31779108.

The previous prime is 47668661. The next prime is 47668693. The reversal of 47668671 is 17686674.

It is not a de Polignac number, because 47668671 - 2¹⁴ = 47652287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47668661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2648251 + ... + 2648268.

Almost surely, 2^47668671 is an apocalyptic number.

47668671 is a deficient number, since it is larger than the sum of its proper divisors (21186089).

47668671 is a wasteful number, since it uses less digits than its factorization.

47668671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296525 (or 5296522 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 47668671 is about 6904.2502127313. The cubic root of 47668671 is about 362.5859861024.

The spelling of 47668671 in words is "forty-seven million, six hundred sixty-eight thousand, six hundred seventy-one".