6742756387 has 2 divisors, whose sum is σ = 6742756388. Its totient is φ = 6742756386.

The previous prime is 6742756369. The next prime is 6742756411. The reversal of 6742756387 is 7836572476.

6742756387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6742756387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6742756327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371378193 + 3371378194.

It is an arithmetic number, because the mean of its divisors is an integer number (3371378194).

Almost surely, 2^6742756387 is an apocalyptic number.

6742756387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742756387 is an equidigital number, since it uses as much as digits as its factorization.

6742756387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 55.

The square root of 6742756387 is about 82114.2885678248. The cubic root of 6742756387 is about 1889.2053046916.

The spelling of 6742756387 in words is "six billion, seven hundred forty-two million, seven hundred fifty-six thousand, three hundred eighty-seven".