70868113 has 2 divisors, whose sum is σ = 70868114. Its totient is φ = 70868112.

The previous prime is 70868099. The next prime is 70868123. The reversal of 70868113 is 31186807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 9840769 = 7812^2 + 3137^2 .

It is an emirp because it is prime and its reverse (31186807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70868113 - 2²⁵ = 37313681 is a prime.

It is not a weakly prime, because it can be changed into another prime (70868123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35434056 + 35434057.

It is an arithmetic number, because the mean of its divisors is an integer number (35434057).

Almost surely, 2^70868113 is an apocalyptic number.

It is an amenable number.

70868113 is a deficient number, since it is larger than the sum of its proper divisors (1).

70868113 is an equidigital number, since it uses as much as digits as its factorization.

70868113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 70868113 is about 8418.3200818216. The cubic root of 70868113 is about 413.8252216415.

The spelling of 70868113 in words is "seventy million, eight hundred sixty-eight thousand, one hundred thirteen".