71960387 has 2 divisors, whose sum is σ = 71960388. Its totient is φ = 71960386.

The previous prime is 71960381. The next prime is 71960423. The reversal of 71960387 is 78306917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71960387 - 2¹⁴ = 71944003 is a prime.

It is not a weakly prime, because it can be changed into another prime (71960381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35980193 + 35980194.

It is an arithmetic number, because the mean of its divisors is an integer number (35980194).

Almost surely, 2^71960387 is an apocalyptic number.

71960387 is a deficient number, since it is larger than the sum of its proper divisors (1).

71960387 is an equidigital number, since it uses as much as digits as its factorization.

71960387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 71960387 is about 8482.9468346796. The cubic root of 71960387 is about 415.9404558359.

The spelling of 71960387 in words is "seventy-one million, nine hundred sixty thousand, three hundred eighty-seven".