71214443 has 4 divisors (see below), whose sum is σ = 71491800. Its totient is φ = 70937088.

The previous prime is 71214431. The next prime is 71214449. The reversal of 71214443 is 34441217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34441217 = 31 ⋅1111007.

It is a cyclic number.

It is not a de Polignac number, because 71214443 - 2⁴ = 71214427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71214449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138293 + ... + 138806.

It is an arithmetic number, because the mean of its divisors is an integer number (17872950).

Almost surely, 2^71214443 is an apocalyptic number.

71214443 is a deficient number, since it is larger than the sum of its proper divisors (277357).

71214443 is a wasteful number, since it uses less digits than its factorization.

71214443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277356.

The product of its digits is 2688, while the sum is 26.

The square root of 71214443 is about 8438.8650303225. The cubic root of 71214443 is about 414.4982429670.

The spelling of 71214443 in words is "seventy-one million, two hundred fourteen thousand, four hundred forty-three".