70676813 has 2 divisors, whose sum is σ = 70676814. Its totient is φ = 70676812.

The previous prime is 70676783. The next prime is 70676843. The reversal of 70676813 is 31867607.

It is a balanced prime because it is at equal distance from previous prime (70676783) and next prime (70676843).

It can be written as a sum of positive squares in only one way, i.e., 69588964 + 1087849 = 8342^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70676813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70676843) 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, 35338406 + 35338407.

It is an arithmetic number, because the mean of its divisors is an integer number (35338407).

Almost surely, 2^70676813 is an apocalyptic number.

It is an amenable number.

70676813 is a deficient number, since it is larger than the sum of its proper divisors (1).

70676813 is an equidigital number, since it uses as much as digits as its factorization.

70676813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70676813 is about 8406.9502793819. The cubic root of 70676813 is about 413.4525288534.

The spelling of 70676813 in words is "seventy million, six hundred seventy-six thousand, eight hundred thirteen".