70070129 has 2 divisors, whose sum is σ = 70070130. Its totient is φ = 70070128.

The previous prime is 70070123. The next prime is 70070159. The reversal of 70070129 is 92107007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 3157729 = 8180^2 + 1777^2 .

It is an emirp because it is prime and its reverse (92107007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70070129 - 2¹⁶ = 70004593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70070098 and 70070107.

It is not a weakly prime, because it can be changed into another prime (70070123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35035064 + 35035065.

It is an arithmetic number, because the mean of its divisors is an integer number (35035065).

Almost surely, 2^70070129 is an apocalyptic number.

It is an amenable number.

70070129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70070129 is an equidigital number, since it uses as much as digits as its factorization.

70070129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 70070129 is about 8370.7902255402. The cubic root of 70070129 is about 412.2661133868.

The spelling of 70070129 in words is "seventy million, seventy thousand, one hundred twenty-nine".