70710643 has 2 divisors, whose sum is σ = 70710644. Its totient is φ = 70710642.

The previous prime is 70710623. The next prime is 70710649. The reversal of 70710643 is 34601707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70710643 - 2⁵ = 70710611 is a prime.

It is not a weakly prime, because it can be changed into another prime (70710649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35355321 + 35355322.

It is an arithmetic number, because the mean of its divisors is an integer number (35355322).

Almost surely, 2^70710643 is an apocalyptic number.

70710643 is a deficient number, since it is larger than the sum of its proper divisors (1).

70710643 is an equidigital number, since it uses as much as digits as its factorization.

70710643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70710643 is about 8408.9620643692. The cubic root of 70710643 is about 413.5184857416.

The spelling of 70710643 in words is "seventy million, seven hundred ten thousand, six hundred forty-three".