8734378 has 4 divisors (see below), whose sum is σ = 13101570. Its totient is φ = 4367188.

The previous prime is 8734373. The next prime is 8734387.

8734378 is nontrivially palindromic in base 10 and base 11.

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., 8254129 + 480249 = 2873^2 + 693^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8734378.

It is not an unprimeable number, because it can be changed into a prime (8734373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183593 + ... + 2183596.

Almost surely, 2^8734378 is an apocalyptic number.

8734378 is a deficient number, since it is larger than the sum of its proper divisors (4367192).

8734378 is a wasteful number, since it uses less digits than its factorization.

8734378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367191.

The product of its digits is 112896, while the sum is 40.

The square root of 8734378 is about 2955.3981119301. The cubic root of 8734378 is about 205.9415581853.

The spelling of 8734378 in words is "eight million, seven hundred thirty-four thousand, three hundred seventy-eight".