340070429 has 2 divisors, whose sum is σ = 340070430. Its totient is φ = 340070428.

The previous prime is 340070383. The next prime is 340070453. The reversal of 340070429 is 924070043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246019225 + 94051204 = 15685^2 + 9698^2 .

It is a cyclic number.

It is not a de Polignac number, because 340070429 - 2¹⁶ = 340004893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340070459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170035214 + 170035215.

It is an arithmetic number, because the mean of its divisors is an integer number (170035215).

Almost surely, 2^340070429 is an apocalyptic number.

It is an amenable number.

340070429 is a deficient number, since it is larger than the sum of its proper divisors (1).

340070429 is an equidigital number, since it uses as much as digits as its factorization.

340070429 is an evil number, because the sum of its binary digits is even.

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

The square root of 340070429 is about 18440.9985900981. The cubic root of 340070429 is about 698.0013936639.

The spelling of 340070429 in words is "three hundred forty million, seventy thousand, four hundred twenty-nine".