71711465 has 16 divisors (see below), whose sum is σ = 99014400. Its totient is φ = 48840000.

The previous prime is 71711449. The next prime is 71711467. The reversal of 71711465 is 56411717.

It is not a de Polignac number, because 71711465 - 2⁴ = 71711449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71711467) 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 15 ways as a sum of consecutive naturals, for example, 1661 + ... + 12090.

It is an arithmetic number, because the mean of its divisors is an integer number (6188400).

Almost surely, 2^71711465 is an apocalyptic number.

It is an amenable number.

71711465 is a deficient number, since it is larger than the sum of its proper divisors (27302935).

71711465 is a wasteful number, since it uses less digits than its factorization.

71711465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912.

The product of its digits is 5880, while the sum is 32.

The square root of 71711465 is about 8468.2622184247. The cubic root of 71711465 is about 415.4603011862.

The spelling of 71711465 in words is "seventy-one million, seven hundred eleven thousand, four hundred sixty-five".