6740320357 has 16 divisors (see below), whose sum is σ = 7207704000. Its totient is φ = 6284784384.

The previous prime is 6740320343. The next prime is 6740320381. The reversal of 6740320357 is 7530230476.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740320357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740320757) 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, 416269 + ... + 432157.

It is an arithmetic number, because the mean of its divisors is an integer number (450481500).

Almost surely, 2^6740320357 is an apocalyptic number.

It is an amenable number.

6740320357 is a deficient number, since it is larger than the sum of its proper divisors (467383643).

6740320357 is a wasteful number, since it uses less digits than its factorization.

6740320357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 6740320357 is about 82099.4540603042. The cubic root of 6740320357 is about 1888.9777659389.

The spelling of 6740320357 in words is "six billion, seven hundred forty million, three hundred twenty thousand, three hundred fifty-seven".