70969247 has 2 divisors, whose sum is σ = 70969248. Its totient is φ = 70969246.

The previous prime is 70969243. The next prime is 70969253. The reversal of 70969247 is 74296907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70969247 - 2² = 70969243 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70969198 and 70969207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70969243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35484623 + 35484624.

It is an arithmetic number, because the mean of its divisors is an integer number (35484624).

Almost surely, 2^70969247 is an apocalyptic number.

70969247 is a deficient number, since it is larger than the sum of its proper divisors (1).

70969247 is an equidigital number, since it uses as much as digits as its factorization.

70969247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 70969247 is about 8424.3247207120. The cubic root of 70969247 is about 414.0219810651.

The spelling of 70969247 in words is "seventy million, nine hundred sixty-nine thousand, two hundred forty-seven".