6734640717 has 24 divisors (see below), whose sum is σ = 11136830016. Its totient is φ = 3841675776.

The previous prime is 6734640713. The next prime is 6734640791. The reversal of 6734640717 is 7170464376.

It is not a de Polignac number, because 6734640717 - 2² = 6734640713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734640713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56283 + ... + 128984.

It is an arithmetic number, because the mean of its divisors is an integer number (464034584).

Almost surely, 2^6734640717 is an apocalyptic number.

It is an amenable number.

6734640717 is a deficient number, since it is larger than the sum of its proper divisors (4402189299).

6734640717 is a wasteful number, since it uses less digits than its factorization.

6734640717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185857 (or 185854 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 6734640717 is about 82064.8567719459. The cubic root of 6734640717 is about 1888.4470429668.

The spelling of 6734640717 in words is "six billion, seven hundred thirty-four million, six hundred forty thousand, seven hundred seventeen".