70425347 has 2 divisors, whose sum is σ = 70425348. Its totient is φ = 70425346.

The previous prime is 70425307. The next prime is 70425349. The reversal of 70425347 is 74352407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70425347 - 2⁶ = 70425283 is a prime.

Together with 70425349, 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 (70425349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35212673 + 35212674.

It is an arithmetic number, because the mean of its divisors is an integer number (35212674).

Almost surely, 2^70425347 is an apocalyptic number.

70425347 is a deficient number, since it is larger than the sum of its proper divisors (1).

70425347 is an equidigital number, since it uses as much as digits as its factorization.

70425347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 70425347 is about 8391.9811129435. The cubic root of 70425347 is about 412.9615955472.

The spelling of 70425347 in words is "seventy million, four hundred twenty-five thousand, three hundred forty-seven".