70427111 has 2 divisors, whose sum is σ = 70427112. Its totient is φ = 70427110.

The previous prime is 70427099. The next prime is 70427113. The reversal of 70427111 is 11172407.

It is a strong prime.

It is an emirp because it is prime and its reverse (11172407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70427111 - 2⁶ = 70427047 is a prime.

Together with 70427113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70427113) 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, 35213555 + 35213556.

It is an arithmetic number, because the mean of its divisors is an integer number (35213556).

Almost surely, 2^70427111 is an apocalyptic number.

70427111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70427111 is an equidigital number, since it uses as much as digits as its factorization.

70427111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 70427111 is about 8392.0862126172. The cubic root of 70427111 is about 412.9650434448.

Adding to 70427111 its reverse (11172407), we get a palindrome (81599518).

The spelling of 70427111 in words is "seventy million, four hundred twenty-seven thousand, one hundred eleven".