6736403668 has 48 divisors (see below), whose sum is σ = 12872442240. Its totient is φ = 3075456384.

The previous prime is 6736403657. The next prime is 6736403669. The reversal of 6736403668 is 8663046376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6736403669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161743 + ... + 199081.

It is an arithmetic number, because the mean of its divisors is an integer number (268175880).

Almost surely, 2^6736403668 is an apocalyptic number.

It is an amenable number.

6736403668 is a deficient number, since it is larger than the sum of its proper divisors (6136038572).

6736403668 is a wasteful number, since it uses less digits than its factorization.

6736403668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37456 (or 37454 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The square root of 6736403668 is about 82075.5972747077. The cubic root of 6736403668 is about 1888.6118104371.

The spelling of 6736403668 in words is "six billion, seven hundred thirty-six million, four hundred three thousand, six hundred sixty-eight".