71447414 has 8 divisors (see below), whose sum is σ = 108119880. Its totient is φ = 35407456.

The previous prime is 71447357. The next prime is 71447417. The reversal of 71447414 is 41474417.

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 (71447417) 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, 157844 + ... + 158295.

It is an arithmetic number, because the mean of its divisors is an integer number (13514985).

Almost surely, 2^71447414 is an apocalyptic number.

71447414 is a deficient number, since it is larger than the sum of its proper divisors (36672466).

71447414 is a wasteful number, since it uses less digits than its factorization.

71447414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316254.

The product of its digits is 12544, while the sum is 32.

The square root of 71447414 is about 8452.6572153377. The cubic root of 71447414 is about 414.9497476288.

The spelling of 71447414 in words is "seventy-one million, four hundred forty-seven thousand, four hundred fourteen".