71140079 has 2 divisors, whose sum is σ = 71140080. Its totient is φ = 71140078.

The previous prime is 71140063. The next prime is 71140129. The reversal of 71140079 is 97004117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71140079 - 2⁴ = 71140063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71142079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570039 + 35570040.

It is an arithmetic number, because the mean of its divisors is an integer number (35570040).

Almost surely, 2^71140079 is an apocalyptic number.

71140079 is a deficient number, since it is larger than the sum of its proper divisors (1).

71140079 is an equidigital number, since it uses as much as digits as its factorization.

71140079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 71140079 is about 8434.4578367551. The cubic root of 71140079 is about 414.3539160521.

The spelling of 71140079 in words is "seventy-one million, one hundred forty thousand, seventy-nine".