70944143 has 2 divisors, whose sum is σ = 70944144. Its totient is φ = 70944142.

The previous prime is 70944127. The next prime is 70944149. The reversal of 70944143 is 34144907.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34144907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70944143 - 2⁴ = 70944127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70944149) 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, 35472071 + 35472072.

It is an arithmetic number, because the mean of its divisors is an integer number (35472072).

Almost surely, 2^70944143 is an apocalyptic number.

70944143 is a deficient number, since it is larger than the sum of its proper divisors (1).

70944143 is an equidigital number, since it uses as much as digits as its factorization.

70944143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70944143 is about 8422.8346178706. The cubic root of 70944143 is about 413.9731578823.

The spelling of 70944143 in words is "seventy million, nine hundred forty-four thousand, one hundred forty-three".