70317 has 12 divisors (see below), whose sum is σ = 109564. Its totient is φ = 43200.

The previous prime is 70313. The next prime is 70321. The reversal of 70317 is 71307.

It is an interprime number because it is at equal distance from previous prime (70313) and next prime (70321).

It can be written as a sum of positive squares in 2 ways, for example, as 34596 + 35721 = 186^2 + 189^2 .

It is not a de Polignac number, because 70317 - 2² = 70313 is a prime.

70317 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 70317.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70317.

It is not an unprimeable number, because it can be changed into a prime (70313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184 + ... + 417.

2⁷⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

70317 is a deficient number, since it is larger than the sum of its proper divisors (39247).

70317 is a wasteful number, since it uses less digits than its factorization.

70317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 70317 is about 265.1735280906. The cubic root of 70317 is about 41.2749711063.

Subtracting 70317 from its reverse (71307), we obtain a triangular number (990 = T₄₄).

The spelling of 70317 in words is "seventy thousand, three hundred seventeen", and thus it is an iban number.