6749494 has 4 divisors (see below), whose sum is σ = 10124244. Its totient is φ = 3374746.

The previous prime is 6749447. The next prime is 6749521. The reversal of 6749494 is 4949476.

It is a semiprime because it is the product of two primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6749494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687372 + ... + 1687375.

It is an arithmetic number, because the mean of its divisors is an integer number (2531061).

Almost surely, 2^6749494 is an apocalyptic number.

6749494 is a deficient number, since it is larger than the sum of its proper divisors (3374750).

6749494 is a wasteful number, since it uses less digits than its factorization.

6749494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374749.

The product of its digits is 217728, while the sum is 43.

The square root of 6749494 is about 2597.9788297829. The cubic root of 6749494 is about 188.9834349955.

It can be divided in two parts, 67494 and 94, that multiplied together give a palindrome (6344436).

The spelling of 6749494 in words is "six million, seven hundred forty-nine thousand, four hundred ninety-four".