6724320247 has 2 divisors, whose sum is σ = 6724320248. Its totient is φ = 6724320246.

The previous prime is 6724320241. The next prime is 6724320269. The reversal of 6724320247 is 7420234276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6724320247 - 2²³ = 6715931639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6724320241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362160123 + 3362160124.

It is an arithmetic number, because the mean of its divisors is an integer number (3362160124).

Almost surely, 2^6724320247 is an apocalyptic number.

6724320247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6724320247 is an equidigital number, since it uses as much as digits as its factorization.

6724320247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 6724320247 is about 82001.9527023595. The cubic root of 6724320247 is about 1887.4819023863.

The spelling of 6724320247 in words is "six billion, seven hundred twenty-four million, three hundred twenty thousand, two hundred forty-seven".