70170379 has 2 divisors, whose sum is σ = 70170380. Its totient is φ = 70170378.

The previous prime is 70170377. The next prime is 70170413. The reversal of 70170379 is 97307107.

It is an a-pointer prime, because the next prime (70170413) can be obtained adding 70170379 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70170379 - 2¹ = 70170377 is a prime.

Together with 70170377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70170377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35085189 + 35085190.

It is an arithmetic number, because the mean of its divisors is an integer number (35085190).

Almost surely, 2^70170379 is an apocalyptic number.

70170379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70170379 is an equidigital number, since it uses as much as digits as its factorization.

70170379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 70170379 is about 8376.7761698639. The cubic root of 70170379 is about 412.4626307133.

The spelling of 70170379 in words is "seventy million, one hundred seventy thousand, three hundred seventy-nine".