70616563 has 2 divisors, whose sum is σ = 70616564. Its totient is φ = 70616562.

The previous prime is 70616561. The next prime is 70616573. The reversal of 70616563 is 36561607.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70616563 - 2¹ = 70616561 is a prime.

Together with 70616561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70616561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35308281 + 35308282.

It is an arithmetic number, because the mean of its divisors is an integer number (35308282).

Almost surely, 2^70616563 is an apocalyptic number.

70616563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70616563 is an equidigital number, since it uses as much as digits as its factorization.

70616563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 70616563 is about 8403.3661707675. The cubic root of 70616563 is about 413.3350098932.

The spelling of 70616563 in words is "seventy million, six hundred sixteen thousand, five hundred sixty-three".