71284713 has 8 divisors (see below), whose sum is σ = 100048800. Its totient is φ = 45021888.

The previous prime is 71284711. The next prime is 71284721. The reversal of 71284713 is 31748217.

It is a happy number.

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

It is not a de Polignac number, because 71284713 - 2¹ = 71284711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71284711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625248 + ... + 625361.

It is an arithmetic number, because the mean of its divisors is an integer number (12506100).

Almost surely, 2^71284713 is an apocalyptic number.

It is an amenable number.

71284713 is a deficient number, since it is larger than the sum of its proper divisors (28764087).

71284713 is a wasteful number, since it uses less digits than its factorization.

71284713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250631.

The product of its digits is 9408, while the sum is 33.

The square root of 71284713 is about 8443.0274783397. The cubic root of 71284713 is about 414.6345318778.

The spelling of 71284713 in words is "seventy-one million, two hundred eighty-four thousand, seven hundred thirteen".