70406429 has 2 divisors, whose sum is σ = 70406430. Its totient is φ = 70406428.

The previous prime is 70406417. The next prime is 70406443. The reversal of 70406429 is 92460407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 683929 = 8350^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 70406429 - 2⁸ = 70406173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70406395 and 70406404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70406029) 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, 35203214 + 35203215.

It is an arithmetic number, because the mean of its divisors is an integer number (35203215).

Almost surely, 2^70406429 is an apocalyptic number.

It is an amenable number.

70406429 is a deficient number, since it is larger than the sum of its proper divisors (1).

70406429 is an equidigital number, since it uses as much as digits as its factorization.

70406429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70406429 is about 8390.8538898017. The cubic root of 70406429 is about 412.9246149834.

The spelling of 70406429 in words is "seventy million, four hundred six thousand, four hundred twenty-nine".