70000319 has 2 divisors, whose sum is σ = 70000320. Its totient is φ = 70000318.

The previous prime is 70000303. The next prime is 70000331. The reversal of 70000319 is 91300007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70000319 - 2⁴ = 70000303 is a prime.

It is a super-2 number, since 2×70000319² = 9800089320203522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70000319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000159 + 35000160.

It is an arithmetic number, because the mean of its divisors is an integer number (35000160).

Almost surely, 2^70000319 is an apocalyptic number.

70000319 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000319 is an equidigital number, since it uses as much as digits as its factorization.

70000319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 70000319 is about 8366.6193292154. The cubic root of 70000319 is about 412.1291560228.

The spelling of 70000319 in words is "seventy million, three hundred nineteen", and thus it is an aban number.