71296847 has 2 divisors, whose sum is σ = 71296848. Its totient is φ = 71296846.

The previous prime is 71296829. The next prime is 71296859. The reversal of 71296847 is 74869217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71296847 - 2⁶ = 71296783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71296798 and 71296807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71298847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35648423 + 35648424.

It is an arithmetic number, because the mean of its divisors is an integer number (35648424).

Almost surely, 2^71296847 is an apocalyptic number.

71296847 is a deficient number, since it is larger than the sum of its proper divisors (1).

71296847 is an equidigital number, since it uses as much as digits as its factorization.

71296847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 71296847 is about 8443.7460288666. The cubic root of 71296847 is about 414.6580567438.

The spelling of 71296847 in words is "seventy-one million, two hundred ninety-six thousand, eight hundred forty-seven".