71213414 has 8 divisors (see below), whose sum is σ = 107112288. Its totient is φ = 35509320.

The previous prime is 71213399. The next prime is 71213437. The reversal of 71213414 is 41431217.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71213414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47777 + ... + 49244.

It is an arithmetic number, because the mean of its divisors is an integer number (13389036).

Almost surely, 2^71213414 is an apocalyptic number.

71213414 is a deficient number, since it is larger than the sum of its proper divisors (35898874).

71213414 is a wasteful number, since it uses less digits than its factorization.

71213414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97390.

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

The square root of 71213414 is about 8438.8040621880. The cubic root of 71213414 is about 414.4962465520.

The spelling of 71213414 in words is "seventy-one million, two hundred thirteen thousand, four hundred fourteen".