71374847 has 2 divisors, whose sum is σ = 71374848. Its totient is φ = 71374846.

The previous prime is 71374799. The next prime is 71374861. The reversal of 71374847 is 74847317.

It is a strong prime.

It is an emirp because it is prime and its reverse (74847317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71374847 - 2¹² = 71370751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71374447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35687423 + 35687424.

It is an arithmetic number, because the mean of its divisors is an integer number (35687424).

Almost surely, 2^71374847 is an apocalyptic number.

71374847 is a deficient number, since it is larger than the sum of its proper divisors (1).

71374847 is an equidigital number, since it uses as much as digits as its factorization.

71374847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 41.

The square root of 71374847 is about 8448.3635693547. The cubic root of 71374847 is about 414.8092160271.

The spelling of 71374847 in words is "seventy-one million, three hundred seventy-four thousand, eight hundred forty-seven".