70371317 has 2 divisors, whose sum is σ = 70371318. Its totient is φ = 70371316.

The previous prime is 70371289. The next prime is 70371319. The reversal of 70371317 is 71317307.

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., 69872881 + 498436 = 8359^2 + 706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70371317 is a prime.

Together with 70371319, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 70371317 parts by 11863 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 70371317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70371319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185658 + 35185659.

It is an arithmetic number, because the mean of its divisors is an integer number (35185659).

Almost surely, 2^70371317 is an apocalyptic number.

It is an amenable number.

70371317 is a deficient number, since it is larger than the sum of its proper divisors (1).

70371317 is an equidigital number, since it uses as much as digits as its factorization.

70371317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 70371317 is about 8388.7613507597. The cubic root of 70371317 is about 412.8559611207.

The spelling of 70371317 in words is "seventy million, three hundred seventy-one thousand, three hundred seventeen".