47687338 has 4 divisors (see below), whose sum is σ = 71531010. Its totient is φ = 23843668.

The previous prime is 47687327. The next prime is 47687369. The reversal of 47687338 is 83378674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 173889 = 6893^2 + 417^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11921833 + ... + 11921836.

Almost surely, 2^47687338 is an apocalyptic number.

47687338 is a deficient number, since it is larger than the sum of its proper divisors (23843672).

47687338 is a wasteful number, since it uses less digits than its factorization.

47687338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843671.

The product of its digits is 677376, while the sum is 46.

The square root of 47687338 is about 6905.6019288691. The cubic root of 47687338 is about 362.6333093524.

The spelling of 47687338 in words is "forty-seven million, six hundred eighty-seven thousand, three hundred thirty-eight".