47536138 has 32 divisors (see below), whose sum is σ = 82837440. Its totient is φ = 20269440.

The previous prime is 47536127. The next prime is 47536163. The reversal of 47536138 is 83163574.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47536097 and 47536106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19081 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (2588670).

Almost surely, 2^47536138 is an apocalyptic number.

47536138 is a deficient number, since it is larger than the sum of its proper divisors (35301302).

47536138 is a wasteful number, since it uses less digits than its factorization.

47536138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 60480, while the sum is 37.

The square root of 47536138 is about 6894.6456036551. The cubic root of 47536138 is about 362.2496421142.

It can be divided in two parts, 47536 and 138, that added together give a palindrome (47674).

The spelling of 47536138 in words is "forty-seven million, five hundred thirty-six thousand, one hundred thirty-eight".