71018429 has 8 divisors (see below), whose sum is σ = 73352160. Its totient is φ = 68706576.

The previous prime is 71018417. The next prime is 71018443. The reversal of 71018429 is 92481017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71018429 - 2²⁰ = 69969853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71018395 and 71018404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71018329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (9169020).

Almost surely, 2^71018429 is an apocalyptic number.

It is an amenable number.

71018429 is a deficient number, since it is larger than the sum of its proper divisors (2333731).

71018429 is a wasteful number, since it uses less digits than its factorization.

71018429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 71018429 is about 8427.2432621825. The cubic root of 71018429 is about 414.1175986647.

The spelling of 71018429 in words is "seventy-one million, eighteen thousand, four hundred twenty-nine".