70430429 has 2 divisors, whose sum is σ = 70430430. Its totient is φ = 70430428.

The previous prime is 70430411. The next prime is 70430441. The reversal of 70430429 is 92403407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51811204 + 18619225 = 7198^2 + 4315^2 .

It is an emirp because it is prime and its reverse (92403407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70430429 - 2¹⁶ = 70364893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70430449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35215214 + 35215215.

It is an arithmetic number, because the mean of its divisors is an integer number (35215215).

Almost surely, 2^70430429 is an apocalyptic number.

It is an amenable number.

70430429 is a deficient number, since it is larger than the sum of its proper divisors (1).

70430429 is an equidigital number, since it uses as much as digits as its factorization.

70430429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70430429 is about 8392.2838965326. The cubic root of 70430429 is about 412.9715286202.

The spelling of 70430429 in words is "seventy million, four hundred thirty thousand, four hundred twenty-nine".