6749198 has 4 divisors (see below), whose sum is σ = 10123800. Its totient is φ = 3374598.

The previous prime is 6749191. The next prime is 6749203. The reversal of 6749198 is 8919476.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687298 + ... + 1687301.

It is an arithmetic number, because the mean of its divisors is an integer number (2530950).

Almost surely, 2^6749198 is an apocalyptic number.

6749198 is a deficient number, since it is larger than the sum of its proper divisors (3374602).

6749198 is a wasteful number, since it uses less digits than its factorization.

6749198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374601.

The product of its digits is 108864, while the sum is 44.

The square root of 6749198 is about 2597.9218617965. The cubic root of 6749198 is about 188.9806723235.

The spelling of 6749198 in words is "six million, seven hundred forty-nine thousand, one hundred ninety-eight".