6749426 has 8 divisors (see below), whose sum is σ = 10224684. Its totient is φ = 3341200.

The previous prime is 6749411. The next prime is 6749437. The reversal of 6749426 is 6249476.

It can be written as a sum of positive squares in 2 ways, for example, as 4644025 + 2105401 = 2155^2 + 1451^2 .

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

It is a d-powerful number, because it can be written as 6⁶ + 7⁷ + 4⁵ + 9⁷ + 4¹⁰ + 2 + 6⁶ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6749426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16505 + ... + 16908.

Almost surely, 2^6749426 is an apocalyptic number.

6749426 is a deficient number, since it is larger than the sum of its proper divisors (3475258).

6749426 is a wasteful number, since it uses less digits than its factorization.

6749426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33516.

The product of its digits is 72576, while the sum is 38.

The square root of 6749426 is about 2597.9657426533. The cubic root of 6749426 is about 188.9828003347.

The spelling of 6749426 in words is "six million, seven hundred forty-nine thousand, four hundred twenty-six".