8712378 has 24 divisors (see below), whose sum is σ = 19019988. Its totient is φ = 2882112.

The previous prime is 8712373. The next prime is 8712397. The reversal of 8712378 is 8732178.

It can be written as a sum of positive squares in 2 ways, for example, as 8311689 + 400689 = 2883^2 + 633^2 .

It is not an unprimeable number, because it can be changed into a prime (8712371) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 700 + ... + 4232.

Almost surely, 2^8712378 is an apocalyptic number.

8712378 is an abundant number, since it is smaller than the sum of its proper divisors (10307610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8712378 is a wasteful number, since it uses less digits than its factorization.

8712378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678 (or 3675 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 8712378 is about 2951.6737624609. The cubic root of 8712378 is about 205.7685054667.

It can be divided in two parts, 871 and 2378, that added together give a square (3249 = 57²).

The spelling of 8712378 in words is "eight million, seven hundred twelve thousand, three hundred seventy-eight".