70200017 has 2 divisors, whose sum is σ = 70200018. Its totient is φ = 70200016.

The previous prime is 70200001. The next prime is 70200019. The reversal of 70200017 is 71000207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65869456 + 4330561 = 8116^2 + 2081^2 .

It is a cyclic number.

It is not a de Polignac number, because 70200017 - 2⁴ = 70200001 is a prime.

Together with 70200019, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70199968 and 70200004.

It is not a weakly prime, because it can be changed into another prime (70200019) 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, 35100008 + 35100009.

It is an arithmetic number, because the mean of its divisors is an integer number (35100009).

Almost surely, 2^70200017 is an apocalyptic number.

It is an amenable number.

70200017 is a deficient number, since it is larger than the sum of its proper divisors (1).

70200017 is an equidigital number, since it uses as much as digits as its factorization.

70200017 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 17.

The square root of 70200017 is about 8378.5450407574. The cubic root of 70200017 is about 412.5206934216.

The spelling of 70200017 in words is "seventy million, two hundred thousand, seventeen".