70421179 has 2 divisors, whose sum is σ = 70421180. Its totient is φ = 70421178.

The previous prime is 70421177. The next prime is 70421209. The reversal of 70421179 is 97112407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70421179 - 2¹ = 70421177 is a prime.

Together with 70421177, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70421179.

It is not a weakly prime, because it can be changed into another prime (70421171) 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, 35210589 + 35210590.

It is an arithmetic number, because the mean of its divisors is an integer number (35210590).

Almost surely, 2^70421179 is an apocalyptic number.

70421179 is a deficient number, since it is larger than the sum of its proper divisors (1).

70421179 is an equidigital number, since it uses as much as digits as its factorization.

70421179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 70421179 is about 8391.7327769657. The cubic root of 70421179 is about 412.9534485851.

The spelling of 70421179 in words is "seventy million, four hundred twenty-one thousand, one hundred seventy-nine".