71247714 has 16 divisors (see below), whose sum is σ = 150877728. Its totient is φ = 22352192.

The previous prime is 71247707. The next prime is 71247727. The reversal of 71247714 is 41774217.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349152 + ... + 349355.

It is an arithmetic number, because the mean of its divisors is an integer number (9429858).

Almost surely, 2^71247714 is an apocalyptic number.

71247714 is an abundant number, since it is smaller than the sum of its proper divisors (79630014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71247714 is a wasteful number, since it uses less digits than its factorization.

71247714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698529.

The product of its digits is 10976, while the sum is 33.

The square root of 71247714 is about 8440.8360960275. The cubic root of 71247714 is about 414.5627833578.

The spelling of 71247714 in words is "seventy-one million, two hundred forty-seven thousand, seven hundred fourteen".