70850617 has 2 divisors, whose sum is σ = 70850618. Its totient is φ = 70850616.

The previous prime is 70850599. The next prime is 70850641. The reversal of 70850617 is 71605807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 16842816 = 7349^2 + 4104^2 .

It is a cyclic number.

It is not a de Polignac number, because 70850617 - 2¹⁹ = 70326329 is a prime.

It is not a weakly prime, because it can be changed into another prime (70850657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425308 + 35425309.

It is an arithmetic number, because the mean of its divisors is an integer number (35425309).

Almost surely, 2^70850617 is an apocalyptic number.

It is an amenable number.

70850617 is a deficient number, since it is larger than the sum of its proper divisors (1).

70850617 is an equidigital number, since it uses as much as digits as its factorization.

70850617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 70850617 is about 8417.2808554782. The cubic root of 70850617 is about 413.7911636254.

The spelling of 70850617 in words is "seventy million, eight hundred fifty thousand, six hundred seventeen".