71960347 has 2 divisors, whose sum is σ = 71960348. Its totient is φ = 71960346.

The previous prime is 71960311. The next prime is 71960381. The reversal of 71960347 is 74306917.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71960347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71960387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35980173 + 35980174.

It is an arithmetic number, because the mean of its divisors is an integer number (35980174).

Almost surely, 2^71960347 is an apocalyptic number.

71960347 is a deficient number, since it is larger than the sum of its proper divisors (1).

71960347 is an equidigital number, since it uses as much as digits as its factorization.

71960347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 71960347 is about 8482.9444770080. The cubic root of 71960347 is about 415.9403787675.

The spelling of 71960347 in words is "seventy-one million, nine hundred sixty thousand, three hundred forty-seven".