47875637 has 4 divisors (see below), whose sum is σ = 48197100. Its totient is φ = 47554176.

The previous prime is 47875613. The next prime is 47875643. The reversal of 47875637 is 73657874.

47875637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3066001 + 44809636 = 1751^2 + 6694^2 .

It is a cyclic number.

It is not a de Polignac number, because 47875637 - 2⁸ = 47875381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47875591 and 47875600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47875697) 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 in 3 ways as a sum of consecutive naturals, for example, 160508 + ... + 160805.

It is an arithmetic number, because the mean of its divisors is an integer number (12049275).

Almost surely, 2^47875637 is an apocalyptic number.

It is an amenable number.

47875637 is a deficient number, since it is larger than the sum of its proper divisors (321463).

47875637 is a wasteful number, since it uses less digits than its factorization.

47875637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321462.

The product of its digits is 987840, while the sum is 47.

The square root of 47875637 is about 6919.2222828870. Note that the first 4 decimals coincide. The cubic root of 47875637 is about 363.1099824338.

The spelling of 47875637 in words is "forty-seven million, eight hundred seventy-five thousand, six hundred thirty-seven".