71047371 has 8 divisors (see below), whose sum is σ = 96283024. Its totient is φ = 46588320.

The previous prime is 71047331. The next prime is 71047411. The reversal of 71047371 is 17374017.

It is an interprime number because it is at equal distance from previous prime (71047331) and next prime (71047411).

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

It is not a de Polignac number, because 71047371 - 2¹³ = 71039179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71047331) 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, 193936 + ... + 194301.

It is an arithmetic number, because the mean of its divisors is an integer number (12035378).

Almost surely, 2^71047371 is an apocalyptic number.

71047371 is a deficient number, since it is larger than the sum of its proper divisors (25235653).

71047371 is a wasteful number, since it uses less digits than its factorization.

71047371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388301.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 71047371 is about 8428.9602561645. The cubic root of 71047371 is about 414.1738458668.

The spelling of 71047371 in words is "seventy-one million, forty-seven thousand, three hundred seventy-one".