70934681 has 2 divisors, whose sum is σ = 70934682. Its totient is φ = 70934680.

The previous prime is 70934651. The next prime is 70934701. The reversal of 70934681 is 18643907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70829056 + 105625 = 8416^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 70934681 - 2²⁶ = 3825817 is a prime.

It is a super-2 number, since 2×70934681² = 10063457937143522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70934621) 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, 35467340 + 35467341.

It is an arithmetic number, because the mean of its divisors is an integer number (35467341).

Almost surely, 2^70934681 is an apocalyptic number.

It is an amenable number.

70934681 is a deficient number, since it is larger than the sum of its proper divisors (1).

70934681 is an equidigital number, since it uses as much as digits as its factorization.

70934681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70934681 is about 8422.2729117501. The cubic root of 70934681 is about 413.9547528479.

The spelling of 70934681 in words is "seventy million, nine hundred thirty-four thousand, six hundred eighty-one".