6730724306 has 4 divisors (see below), whose sum is σ = 10096086462. Its totient is φ = 3365362152.

The previous prime is 6730724251. The next prime is 6730724317. The reversal of 6730724306 is 6034270376.

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., 6505874281 + 224850025 = 80659^2 + 14995^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6730724306.

It is an unprimeable number.

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, 1682681075 + ... + 1682681078.

Almost surely, 2^6730724306 is an apocalyptic number.

6730724306 is a deficient number, since it is larger than the sum of its proper divisors (3365362156).

6730724306 is a wasteful number, since it uses less digits than its factorization.

6730724306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365362155.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 6730724306 is about 82040.9916200432. The cubic root of 6730724306 is about 1888.0809076769.

The spelling of 6730724306 in words is "six billion, seven hundred thirty million, seven hundred twenty-four thousand, three hundred six".