71000429 has 2 divisors, whose sum is σ = 71000430. Its totient is φ = 71000428.

The previous prime is 71000407. The next prime is 71000453. The reversal of 71000429 is 92400017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66797929 + 4202500 = 8173^2 + 2050^2 .

It is an emirp because it is prime and its reverse (92400017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71000429 - 2²⁰ = 69951853 is a prime.

It is a Chen prime.

71000429 is a modest number, since divided by 429 gives 71 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71000329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500214 + 35500215.

It is an arithmetic number, because the mean of its divisors is an integer number (35500215).

Almost surely, 2^71000429 is an apocalyptic number.

It is an amenable number.

71000429 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000429 is an equidigital number, since it uses as much as digits as its factorization.

71000429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71000429 is about 8426.1752296045. The cubic root of 71000429 is about 414.0826089363.

The spelling of 71000429 in words is "seventy-one million, four hundred twenty-nine", and thus it is an aban number.