43475138 has 16 divisors (see below), whose sum is σ = 74667264. Its totient is φ = 18597600.

The previous prime is 43475123. The next prime is 43475143. The reversal of 43475138 is 83157434.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43475098 and 43475107.

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 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (4666704).

Almost surely, 2^43475138 is an apocalyptic number.

43475138 is a deficient number, since it is larger than the sum of its proper divisors (31192126).

43475138 is a wasteful number, since it uses less digits than its factorization.

43475138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777.

The product of its digits is 40320, while the sum is 35.

The square root of 43475138 is about 6593.5679263961. The cubic root of 43475138 is about 351.6254678969.

The spelling of 43475138 in words is "forty-three million, four hundred seventy-five thousand, one hundred thirty-eight".