70129417 has 2 divisors, whose sum is σ = 70129418. Its totient is φ = 70129416.

The previous prime is 70129387. The next prime is 70129429. The reversal of 70129417 is 71492107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69039481 + 1089936 = 8309^2 + 1044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70129417 is a prime.

It is not a weakly prime, because it can be changed into another prime (70129447) 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, 35064708 + 35064709.

It is an arithmetic number, because the mean of its divisors is an integer number (35064709).

Almost surely, 2^70129417 is an apocalyptic number.

It is an amenable number.

70129417 is a deficient number, since it is larger than the sum of its proper divisors (1).

70129417 is an equidigital number, since it uses as much as digits as its factorization.

70129417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 70129417 is about 8374.3308389387. The cubic root of 70129417 is about 412.3823566569.

The spelling of 70129417 in words is "seventy million, one hundred twenty-nine thousand, four hundred seventeen".