47668347 has 12 divisors (see below), whose sum is σ = 68968224. Its totient is φ = 31726320.

The previous prime is 47668337. The next prime is 47668349. The reversal of 47668347 is 74386674.

It is not a de Polignac number, because 47668347 - 2⁷ = 47668219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47668349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1822 + ... + 9932.

It is an arithmetic number, because the mean of its divisors is an integer number (5747352).

Almost surely, 2^47668347 is an apocalyptic number.

47668347 is a deficient number, since it is larger than the sum of its proper divisors (21299877).

47668347 is a wasteful number, since it uses less digits than its factorization.

47668347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770 (or 8767 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 47668347 is about 6904.2267488836. The cubic root of 47668347 is about 362.5851646116.

The spelling of 47668347 in words is "forty-seven million, six hundred sixty-eight thousand, three hundred forty-seven".