70065379 has 2 divisors, whose sum is σ = 70065380. Its totient is φ = 70065378.

The previous prime is 70065371. The next prime is 70065397. The reversal of 70065379 is 97356007.

Together with next prime (70065397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70065379 - 2³ = 70065371 is a prime.

It is not a weakly prime, because it can be changed into another prime (70065371) 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, 35032689 + 35032690.

It is an arithmetic number, because the mean of its divisors is an integer number (35032690).

Almost surely, 2^70065379 is an apocalyptic number.

70065379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70065379 is an equidigital number, since it uses as much as digits as its factorization.

70065379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 70065379 is about 8370.5064960252. The cubic root of 70065379 is about 412.2567974423.

The spelling of 70065379 in words is "seventy million, sixty-five thousand, three hundred seventy-nine".