6747539306 has 4 divisors (see below), whose sum is σ = 10121308962. Its totient is φ = 3373769652.

The previous prime is 6747539303. The next prime is 6747539347. The reversal of 6747539306 is 6039357476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4321090225 + 2426449081 = 65735^2 + 49259^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6747539303) 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 as a sum of consecutive naturals, namely, 1686884825 + ... + 1686884828.

Almost surely, 2^6747539306 is an apocalyptic number.

6747539306 is a deficient number, since it is larger than the sum of its proper divisors (3373769656).

6747539306 is a wasteful number, since it uses less digits than its factorization.

6747539306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373769655.

The product of its (nonzero) digits is 2857680, while the sum is 50.

The square root of 6747539306 is about 82143.4069539364. The cubic root of 6747539306 is about 1889.6518965477.

The spelling of 6747539306 in words is "six billion, seven hundred forty-seven million, five hundred thirty-nine thousand, three hundred six".