70708271 has 2 divisors, whose sum is σ = 70708272. Its totient is φ = 70708270.

The previous prime is 70708217. The next prime is 70708283. The reversal of 70708271 is 17280707.

Together with previous prime (70708217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70708271 - 2⁶ = 70708207 is a prime.

It is a Sophie Germain 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 (70708471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35354135 + 35354136.

It is an arithmetic number, because the mean of its divisors is an integer number (35354136).

Almost surely, 2^70708271 is an apocalyptic number.

70708271 is a deficient number, since it is larger than the sum of its proper divisors (1).

70708271 is an equidigital number, since it uses as much as digits as its factorization.

70708271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 70708271 is about 8408.8210231875. The cubic root of 70708271 is about 413.5138618417.

Adding to 70708271 its reverse (17280707), we get a palindrome (87988978).

The spelling of 70708271 in words is "seventy million, seven hundred eight thousand, two hundred seventy-one".