70808317 has 2 divisors, whose sum is σ = 70808318. Its totient is φ = 70808316.

The previous prime is 70808239. The next prime is 70808333. The reversal of 70808317 is 71380807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47969476 + 22838841 = 6926^2 + 4779^2 .

It is a cyclic number.

It is not a de Polignac number, because 70808317 - 2¹¹ = 70806269 is a prime.

It is equal to p_4162768 and since 70808317 and 4162768 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70808357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35404158 + 35404159.

It is an arithmetic number, because the mean of its divisors is an integer number (35404159).

Almost surely, 2^70808317 is an apocalyptic number.

It is an amenable number.

70808317 is a deficient number, since it is larger than the sum of its proper divisors (1).

70808317 is an equidigital number, since it uses as much as digits as its factorization.

70808317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 70808317 is about 8414.7677923993. The cubic root of 70808317 is about 413.7087985430.

The spelling of 70808317 in words is "seventy million, eight hundred eight thousand, three hundred seventeen".