71712214 has 8 divisors (see below), whose sum is σ = 122935248. Its totient is φ = 30733800.

The previous prime is 71712209. The next prime is 71712217. The reversal of 71712214 is 41221717.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71712217) 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, 2561137 + ... + 2561164.

It is an arithmetic number, because the mean of its divisors is an integer number (15366906).

Almost surely, 2^71712214 is an apocalyptic number.

71712214 is a deficient number, since it is larger than the sum of its proper divisors (51223034).

71712214 is a wasteful number, since it uses less digits than its factorization.

71712214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122310.

The product of its digits is 784, while the sum is 25.

The square root of 71712214 is about 8468.3064422587. The cubic root of 71712214 is about 415.4617476248.

The spelling of 71712214 in words is "seventy-one million, seven hundred twelve thousand, two hundred fourteen".