70944563 has 2 divisors, whose sum is σ = 70944564. Its totient is φ = 70944562.

The previous prime is 70944547. The next prime is 70944569. The reversal of 70944563 is 36544907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70944563 - 2⁴ = 70944547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70944569) 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, 35472281 + 35472282.

It is an arithmetic number, because the mean of its divisors is an integer number (35472282).

Almost surely, 2^70944563 is an apocalyptic number.

70944563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70944563 is an equidigital number, since it uses as much as digits as its factorization.

70944563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 70944563 is about 8422.8595500578. The cubic root of 70944563 is about 413.9739748084.

The spelling of 70944563 in words is "seventy million, nine hundred forty-four thousand, five hundred sixty-three".