70067849 has 2 divisors, whose sum is σ = 70067850. Its totient is φ = 70067848.

The previous prime is 70067827. The next prime is 70067891. The reversal of 70067849 is 94876007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 30880249 = 6260^2 + 5557^2 .

It is an emirp because it is prime and its reverse (94876007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70067849 is a prime.

It is not a weakly prime, because it can be changed into another prime (70067449) 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, 35033924 + 35033925.

It is an arithmetic number, because the mean of its divisors is an integer number (35033925).

Almost surely, 2^70067849 is an apocalyptic number.

It is an amenable number.

70067849 is a deficient number, since it is larger than the sum of its proper divisors (1).

70067849 is an equidigital number, since it uses as much as digits as its factorization.

70067849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 70067849 is about 8370.6540365732. The cubic root of 70067849 is about 412.2616417860.

The spelling of 70067849 in words is "seventy million, sixty-seven thousand, eight hundred forty-nine".