71418229 has 4 divisors (see below), whose sum is σ = 71479584. Its totient is φ = 71356876.

The previous prime is 71418209. The next prime is 71418253. The reversal of 71418229 is 92281417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92281417 = 73 ⋅1264129.

It is a cyclic number.

It is not a de Polignac number, because 71418229 - 2¹⁷ = 71287157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71418194 and 71418203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71418209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28897 + ... + 31270.

It is an arithmetic number, because the mean of its divisors is an integer number (17869896).

Almost surely, 2^71418229 is an apocalyptic number.

It is an amenable number.

71418229 is a deficient number, since it is larger than the sum of its proper divisors (61355).

71418229 is a wasteful number, since it uses less digits than its factorization.

71418229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61354.

The product of its digits is 8064, while the sum is 34.

The square root of 71418229 is about 8450.9306588091. The cubic root of 71418229 is about 414.8932400660.

The spelling of 71418229 in words is "seventy-one million, four hundred eighteen thousand, two hundred twenty-nine".