7000072447 has 2 divisors, whose sum is σ = 7000072448. Its totient is φ = 7000072446.

The previous prime is 7000072441. The next prime is 7000072451. The reversal of 7000072447 is 7442700007.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7000072447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000072441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500036223 + 3500036224.

It is an arithmetic number, because the mean of its divisors is an integer number (3500036224).

Almost surely, 2^7000072447 is an apocalyptic number.

7000072447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000072447 is an equidigital number, since it uses as much as digits as its factorization.

7000072447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 7000072447 is about 83666.4356059226. The cubic root of 7000072447 is about 1912.9377820889.

The spelling of 7000072447 in words is "seven billion, seventy-two thousand, four hundred forty-seven".