71199117 has 12 divisors (see below), whose sum is σ = 112192704. Its totient is φ = 43150920.

The previous prime is 71199109. The next prime is 71199131.

71199117 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 71199117 - 2³ = 71199109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71199187) 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, 359493 + ... + 359690.

It is an arithmetic number, because the mean of its divisors is an integer number (9349392).

Almost surely, 2^71199117 is an apocalyptic number.

It is an amenable number.

71199117 is a deficient number, since it is larger than the sum of its proper divisors (40993587).

71199117 is a wasteful number, since it uses less digits than its factorization.

71199117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719200 (or 719197 counting only the distinct ones).

The product of its digits is 3969, while the sum is 36.

The square root of 71199117 is about 8437.9569209614. The cubic root of 71199117 is about 414.4685062283.

The spelling of 71199117 in words is "seventy-one million, one hundred ninety-nine thousand, one hundred seventeen".