6749355774 has 64 divisors (see below), whose sum is σ = 16473968640. Its totient is φ = 1801820160.

The previous prime is 6749355721. The next prime is 6749355829. The reversal of 6749355774 is 4775539476.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51619 + ... + 127134.

It is an arithmetic number, because the mean of its divisors is an integer number (257405760).

Almost surely, 2^6749355774 is an apocalyptic number.

6749355774 is an abundant number, since it is smaller than the sum of its proper divisors (9724612866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6749355774 is a wasteful number, since it uses less digits than its factorization.

6749355774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178825.

The product of its digits is 22226400, while the sum is 57.

The square root of 6749355774 is about 82154.4628976418. The cubic root of 6749355774 is about 1889.8214489370.

The spelling of 6749355774 in words is "six billion, seven hundred forty-nine million, three hundred fifty-five thousand, seven hundred seventy-four".