70102817 has 2 divisors, whose sum is σ = 70102818. Its totient is φ = 70102816.

The previous prime is 70102801. The next prime is 70102841. The reversal of 70102817 is 71820107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 27709696 = 6511^2 + 5264^2 .

It is a cyclic number.

It is not a de Polignac number, because 70102817 - 2⁴ = 70102801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70102867) 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, 35051408 + 35051409.

It is an arithmetic number, because the mean of its divisors is an integer number (35051409).

Almost surely, 2^70102817 is an apocalyptic number.

It is an amenable number.

70102817 is a deficient number, since it is larger than the sum of its proper divisors (1).

70102817 is an equidigital number, since it uses as much as digits as its factorization.

70102817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 70102817 is about 8372.7425017135. The cubic root of 70102817 is about 412.3302113597.

The spelling of 70102817 in words is "seventy million, one hundred two thousand, eight hundred seventeen".