70966213 has 2 divisors, whose sum is σ = 70966214. Its totient is φ = 70966212.

The previous prime is 70966187. The next prime is 70966243. The reversal of 70966213 is 31266907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38167684 + 32798529 = 6178^2 + 5727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70966213 is a prime.

It is a super-2 number, since 2×70966213² = 10072406775122738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70966243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35483106 + 35483107.

It is an arithmetic number, because the mean of its divisors is an integer number (35483107).

Almost surely, 2^70966213 is an apocalyptic number.

It is an amenable number.

70966213 is a deficient number, since it is larger than the sum of its proper divisors (1).

70966213 is an equidigital number, since it uses as much as digits as its factorization.

70966213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 70966213 is about 8424.1446450070. The cubic root of 70966213 is about 414.0160810420.

The spelling of 70966213 in words is "seventy million, nine hundred sixty-six thousand, two hundred thirteen".