70985459 has 2 divisors, whose sum is σ = 70985460. Its totient is φ = 70985458.

The previous prime is 70985449. The next prime is 70985513. The reversal of 70985459 is 95458907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70985459 - 2¹⁶ = 70919923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70985449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35492729 + 35492730.

It is an arithmetic number, because the mean of its divisors is an integer number (35492730).

Almost surely, 2^70985459 is an apocalyptic number.

70985459 is a deficient number, since it is larger than the sum of its proper divisors (1).

70985459 is an equidigital number, since it uses as much as digits as its factorization.

70985459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 70985459 is about 8425.2868793887. The cubic root of 70985459 is about 414.0535046409.

It can be divided in two parts, 709 and 85459, that added together give a palindrome (86168).

The spelling of 70985459 in words is "seventy million, nine hundred eighty-five thousand, four hundred fifty-nine".