71706967 has 2 divisors, whose sum is σ = 71706968. Its totient is φ = 71706966.

The previous prime is 71706953. The next prime is 71706977. The reversal of 71706967 is 76960717.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71706967 - 2⁷ = 71706839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71706907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35853483 + 35853484.

It is an arithmetic number, because the mean of its divisors is an integer number (35853484).

Almost surely, 2^71706967 is an apocalyptic number.

71706967 is a deficient number, since it is larger than the sum of its proper divisors (1).

71706967 is an equidigital number, since it uses as much as digits as its factorization.

71706967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 71706967 is about 8467.9966343876. The cubic root of 71706967 is about 415.4516146184.

The spelling of 71706967 in words is "seventy-one million, seven hundred six thousand, nine hundred sixty-seven".