70814111 has 2 divisors, whose sum is σ = 70814112. Its totient is φ = 70814110.

The previous prime is 70814089. The next prime is 70814131. The reversal of 70814111 is 11141807.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70814111 - 2¹⁰ = 70813087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70814131) 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, 35407055 + 35407056.

It is an arithmetic number, because the mean of its divisors is an integer number (35407056).

Almost surely, 2^70814111 is an apocalyptic number.

70814111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70814111 is an equidigital number, since it uses as much as digits as its factorization.

70814111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 70814111 is about 8415.1120610483. The cubic root of 70814111 is about 413.7200823559.

Adding to 70814111 its reverse (11141807), we get a palindrome (81955918).

The spelling of 70814111 in words is "seventy million, eight hundred fourteen thousand, one hundred eleven".