6918874 has 4 divisors (see below), whose sum is σ = 10378314. Its totient is φ = 3459436.

The previous prime is 6918853. The next prime is 6918943. The reversal of 6918874 is 4788196.

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 + 950625 = 2443^2 + 975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6918874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1729717 + ... + 1729720.

Almost surely, 2^6918874 is an apocalyptic number.

6918874 is a deficient number, since it is larger than the sum of its proper divisors (3459440).

6918874 is a wasteful number, since it uses less digits than its factorization.

6918874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459439.

The product of its digits is 96768, while the sum is 43.

The square root of 6918874 is about 2630.3752583995. The cubic root of 6918874 is about 190.5512522753.

The spelling of 6918874 in words is "six million, nine hundred eighteen thousand, eight hundred seventy-four".