71471097 has 12 divisors (see below), whose sum is σ = 107724864. Its totient is φ = 45575640.

The previous prime is 71471093. The next prime is 71471107. The reversal of 71471097 is 79017417.

It is not a de Polignac number, because 71471097 - 2² = 71471093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71471093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172429 + ... + 172842.

It is an arithmetic number, because the mean of its divisors is an integer number (8977072).

Almost surely, 2^71471097 is an apocalyptic number.

It is an amenable number.

71471097 is a deficient number, since it is larger than the sum of its proper divisors (36253767).

71471097 is a wasteful number, since it uses less digits than its factorization.

71471097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345300 (or 345297 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 71471097 is about 8454.0580196732. The cubic root of 71471097 is about 414.9955909920.

The spelling of 71471097 in words is "seventy-one million, four hundred seventy-one thousand, ninety-seven".