71318097 has 8 divisors (see below), whose sum is σ = 105656480. Its totient is φ = 47545380.

The previous prime is 71318059. The next prime is 71318099. The reversal of 71318097 is 79081317.

It is not a de Polignac number, because 71318097 - 2⁶ = 71318033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71318099) 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, 1320679 + ... + 1320732.

It is an arithmetic number, because the mean of its divisors is an integer number (13207060).

Almost surely, 2^71318097 is an apocalyptic number.

It is an amenable number.

71318097 is a deficient number, since it is larger than the sum of its proper divisors (34338383).

71318097 is a wasteful number, since it uses less digits than its factorization.

71318097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641420 (or 2641414 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 71318097 is about 8445.0042628764. The cubic root of 71318097 is about 414.6992488807.

The spelling of 71318097 in words is "seventy-one million, three hundred eighteen thousand, ninety-seven".