6679426 has 8 divisors (see below), whose sum is σ = 10789884. Its totient is φ = 3082800.

The previous prime is 6679423. The next prime is 6679451. The reversal of 6679426 is 6249766.

It can be written as a sum of positive squares in 2 ways, for example, as 5359225 + 1320201 = 2315^2 + 1149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6679426² = 89229463378952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6679423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128425 + ... + 128476.

Almost surely, 2^6679426 is an apocalyptic number.

6679426 is a deficient number, since it is larger than the sum of its proper divisors (4110458).

6679426 is a wasteful number, since it uses less digits than its factorization.

6679426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256916.

The product of its digits is 108864, while the sum is 40.

The square root of 6679426 is about 2584.4585506446. The cubic root of 6679426 is about 188.3271991807.

The spelling of 6679426 in words is "six million, six hundred seventy-nine thousand, four hundred twenty-six".