70544293 has 2 divisors, whose sum is σ = 70544294. Its totient is φ = 70544292.

The previous prime is 70544291. The next prime is 70544297. The reversal of 70544293 is 39244507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58033924 + 12510369 = 7618^2 + 3537^2 .

It is an emirp because it is prime and its reverse (39244507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70544293 - 2¹ = 70544291 is a prime.

Together with 70544291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70544291) 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, 35272146 + 35272147.

It is an arithmetic number, because the mean of its divisors is an integer number (35272147).

Almost surely, 2^70544293 is an apocalyptic number.

It is an amenable number.

70544293 is a deficient number, since it is larger than the sum of its proper divisors (1).

70544293 is an equidigital number, since it uses as much as digits as its factorization.

70544293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70544293 is about 8399.0650074874. The cubic root of 70544293 is about 413.1939574447.

The spelling of 70544293 in words is "seventy million, five hundred forty-four thousand, two hundred ninety-three".