70419191 has 2 divisors, whose sum is σ = 70419192. Its totient is φ = 70419190.

The previous prime is 70419179. The next prime is 70419241. The reversal of 70419191 is 19191407.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70419191 - 2⁶ = 70419127 is a prime.

It is a super-2 number, since 2×70419191² = 9917724922188962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70419101) 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, 35209595 + 35209596.

It is an arithmetic number, because the mean of its divisors is an integer number (35209596).

Almost surely, 2^70419191 is an apocalyptic number.

70419191 is a deficient number, since it is larger than the sum of its proper divisors (1).

70419191 is an equidigital number, since it uses as much as digits as its factorization.

70419191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 70419191 is about 8391.6143262188. The cubic root of 70419191 is about 412.9495626368.

The spelling of 70419191 in words is "seventy million, four hundred nineteen thousand, one hundred ninety-one".