70217011 has 2 divisors, whose sum is σ = 70217012. Its totient is φ = 70217010.

The previous prime is 70217003. The next prime is 70217029. The reversal of 70217011 is 11071207.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70217011 - 2³ = 70217003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70217011.

It is not a weakly prime, because it can be changed into another prime (70217071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108505 + 35108506.

It is an arithmetic number, because the mean of its divisors is an integer number (35108506).

Almost surely, 2^70217011 is an apocalyptic number.

70217011 is a deficient number, since it is larger than the sum of its proper divisors (1).

70217011 is an equidigital number, since it uses as much as digits as its factorization.

70217011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 70217011 is about 8379.5591172806. The cubic root of 70217011 is about 412.5539783663.

Adding to 70217011 its reverse (11071207), we get a palindrome (81288218).

The spelling of 70217011 in words is "seventy million, two hundred seventeen thousand, eleven".