70069667 has 2 divisors, whose sum is σ = 70069668. Its totient is φ = 70069666.

The previous prime is 70069651. The next prime is 70069709. The reversal of 70069667 is 76696007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70069667 - 2⁴ = 70069651 is a prime.

It is not a weakly prime, because it can be changed into another prime (70069607) 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, 35034833 + 35034834.

It is an arithmetic number, because the mean of its divisors is an integer number (35034834).

Almost surely, 2^70069667 is an apocalyptic number.

70069667 is a deficient number, since it is larger than the sum of its proper divisors (1).

70069667 is an equidigital number, since it uses as much as digits as its factorization.

70069667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70069667 is about 8370.7626295338. The cubic root of 70069667 is about 412.2652073071.

The spelling of 70069667 in words is "seventy million, sixty-nine thousand, six hundred sixty-seven".