6987874 has 4 divisors (see below), whose sum is σ = 10481814. Its totient is φ = 3493936.

The previous prime is 6987863. The next prime is 6987907. The reversal of 6987874 is 4787896.

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., 4870849 + 2117025 = 2207^2 + 1455^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746967 + ... + 1746970.

Almost surely, 2^6987874 is an apocalyptic number.

6987874 is a deficient number, since it is larger than the sum of its proper divisors (3493940).

6987874 is a wasteful number, since it uses less digits than its factorization.

6987874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493939.

The product of its digits is 677376, while the sum is 49.

The square root of 6987874 is about 2643.4587191783. The cubic root of 6987874 is about 191.1825963221.

The spelling of 6987874 in words is "six million, nine hundred eighty-seven thousand, eight hundred seventy-four".