70356317 has 2 divisors, whose sum is σ = 70356318. Its totient is φ = 70356316.

The previous prime is 70356289. The next prime is 70356323. The reversal of 70356317 is 71365307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64176121 + 6180196 = 8011^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 70356317 - 2¹² = 70352221 is a prime.

It is a super-2 number, since 2×70356317² = 9900022683608978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70356017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35178158 + 35178159.

It is an arithmetic number, because the mean of its divisors is an integer number (35178159).

Almost surely, 2^70356317 is an apocalyptic number.

It is an amenable number.

70356317 is a deficient number, since it is larger than the sum of its proper divisors (1).

70356317 is an equidigital number, since it uses as much as digits as its factorization.

70356317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 70356317 is about 8387.8672497841. The cubic root of 70356317 is about 412.8266249284.

The spelling of 70356317 in words is "seventy million, three hundred fifty-six thousand, three hundred seventeen".