71118469 has 8 divisors (see below), whose sum is σ = 73899000. Its totient is φ = 68359872.

The previous prime is 71118451. The next prime is 71118493. The reversal of 71118469 is 96481117.

It can be written as a sum of positive squares in 4 ways, for example, as 47789569 + 23328900 = 6913^2 + 4830^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71118469 is a prime.

It is a super-2 number, since 2×71118469² = 10115673265807922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71118409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (9237375).

Almost surely, 2^71118469 is an apocalyptic number.

It is an amenable number.

71118469 is a deficient number, since it is larger than the sum of its proper divisors (2780531).

71118469 is a wasteful number, since it uses less digits than its factorization.

71118469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967.

The product of its digits is 12096, while the sum is 37.

The square root of 71118469 is about 8433.1766849746. The cubic root of 71118469 is about 414.3119561374.

The spelling of 71118469 in words is "seventy-one million, one hundred eighteen thousand, four hundred sixty-nine".