70022747 has 2 divisors, whose sum is σ = 70022748. Its totient is φ = 70022746.

The previous prime is 70022717. The next prime is 70022749. The reversal of 70022747 is 74722007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70022747 - 2⁶ = 70022683 is a prime.

Together with 70022749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70022749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35011373 + 35011374.

It is an arithmetic number, because the mean of its divisors is an integer number (35011374).

Almost surely, 2^70022747 is an apocalyptic number.

70022747 is a deficient number, since it is larger than the sum of its proper divisors (1).

70022747 is an equidigital number, since it uses as much as digits as its factorization.

70022747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 70022747 is about 8367.9595481814. The cubic root of 70022747 is about 412.1731665161.

The spelling of 70022747 in words is "seventy million, twenty-two thousand, seven hundred forty-seven".