8372018 has 4 divisors (see below), whose sum is σ = 12558030. Its totient is φ = 4186008.

The previous prime is 8371999. The next prime is 8372029. The reversal of 8372018 is 8102738.

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., 8334769 + 37249 = 2887^2 + 193^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093003 + ... + 2093006.

Almost surely, 2^8372018 is an apocalyptic number.

8372018 is a deficient number, since it is larger than the sum of its proper divisors (4186012).

8372018 is a wasteful number, since it uses less digits than its factorization.

8372018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186011.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8372018 is about 2893.4439686989. The cubic root of 8372018 is about 203.0532996010.

It can be divided in two parts, 83720 and 18, that added together give a palindrome (83738).

The spelling of 8372018 in words is "eight million, three hundred seventy-two thousand, eighteen".