70255379 has 2 divisors, whose sum is σ = 70255380. Its totient is φ = 70255378.

The previous prime is 70255357. The next prime is 70255387. The reversal of 70255379 is 97355207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70255379 - 2²⁰ = 69206803 is a prime.

It is not a weakly prime, because it can be changed into another prime (70255309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35127689 + 35127690.

It is an arithmetic number, because the mean of its divisors is an integer number (35127690).

Almost surely, 2^70255379 is an apocalyptic number.

70255379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70255379 is an equidigital number, since it uses as much as digits as its factorization.

70255379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 70255379 is about 8381.8481852155. The cubic root of 70255379 is about 412.6291073064.

The spelling of 70255379 in words is "seventy million, two hundred fifty-five thousand, three hundred seventy-nine".