70207243 has 2 divisors, whose sum is σ = 70207244. Its totient is φ = 70207242.

The previous prime is 70207213. The next prime is 70207259. The reversal of 70207243 is 34270207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70207243 is a prime.

It is a super-3 number, since 3×70207243³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (70207213) 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, 35103621 + 35103622.

It is an arithmetic number, because the mean of its divisors is an integer number (35103622).

Almost surely, 2^70207243 is an apocalyptic number.

70207243 is a deficient number, since it is larger than the sum of its proper divisors (1).

70207243 is an equidigital number, since it uses as much as digits as its factorization.

70207243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 70207243 is about 8378.9762501155. The cubic root of 70207243 is about 412.5348471326.

The spelling of 70207243 in words is "seventy million, two hundred seven thousand, two hundred forty-three".