71007090247 has 2 divisors, whose sum is σ = 71007090248. Its totient is φ = 71007090246.

The previous prime is 71007090229. The next prime is 71007090277. The reversal of 71007090247 is 74209070017.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71007090247 - 2¹¹ = 71007088199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71007090277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35503545123 + 35503545124.

It is an arithmetic number, because the mean of its divisors is an integer number (35503545124).

Almost surely, 2^71007090247 is an apocalyptic number.

71007090247 is a deficient number, since it is larger than the sum of its proper divisors (1).

71007090247 is an equidigital number, since it uses as much as digits as its factorization.

71007090247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 71007090247 in words is "seventy-one billion, seven million, ninety thousand, two hundred forty-seven".