6866474 has 4 divisors (see below), whose sum is σ = 10299714. Its totient is φ = 3433236.

The previous prime is 6866473. The next prime is 6866513. The reversal of 6866474 is 4746686.

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., 5555449 + 1311025 = 2357^2 + 1145^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6866471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716617 + ... + 1716620.

Almost surely, 2^6866474 is an apocalyptic number.

6866474 is a deficient number, since it is larger than the sum of its proper divisors (3433240).

6866474 is a wasteful number, since it uses less digits than its factorization.

6866474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433239.

The product of its digits is 193536, while the sum is 41.

The square root of 6866474 is about 2620.3957716345. The cubic root of 6866474 is about 190.0689869522.

The spelling of 6866474 in words is "six million, eight hundred sixty-six thousand, four hundred seventy-four".