8747138 has 4 divisors (see below), whose sum is σ = 13120710. Its totient is φ = 4373568.

The previous prime is 8747119. The next prime is 8747159. The reversal of 8747138 is 8317478.

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., 5968249 + 2778889 = 2443^2 + 1667^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2186783 + ... + 2186786.

Almost surely, 2^8747138 is an apocalyptic number.

8747138 is a deficient number, since it is larger than the sum of its proper divisors (4373572).

8747138 is a wasteful number, since it uses less digits than its factorization.

8747138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373571.

The product of its digits is 37632, while the sum is 38.

The square root of 8747138 is about 2957.5560856897. The cubic root of 8747138 is about 206.0417956480.

The spelling of 8747138 in words is "eight million, seven hundred forty-seven thousand, one hundred thirty-eight".