71414213 has 8 divisors (see below), whose sum is σ = 77701848. Its totient is φ = 65240064.

The previous prime is 71414177. The next prime is 71414237. The reversal of 71414213 is 31241417.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7941124 + 63473089 = 2818^2 + 7967^2 .

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 71414213 - 2¹² = 71410117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71413213) 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 7 ways as a sum of consecutive naturals, for example, 27056 + ... + 29577.

It is an arithmetic number, because the mean of its divisors is an integer number (9712731).

Almost surely, 2^71414213 is an apocalyptic number.

It is an amenable number.

71414213 is a deficient number, since it is larger than the sum of its proper divisors (6287635).

71414213 is a wasteful number, since it uses less digits than its factorization.

71414213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56743.

The product of its digits is 672, while the sum is 23.

The square root of 71414213 is about 8450.6930485020. The cubic root of 71414213 is about 414.8854631417.

The spelling of 71414213 in words is "seventy-one million, four hundred fourteen thousand, two hundred thirteen".