71464165 has 8 divisors (see below), whose sum is σ = 86051448. Its totient is φ = 56975040.

The previous prime is 71464157. The next prime is 71464171. The reversal of 71464165 is 56146417.

It can be written as a sum of positive squares in 4 ways, for example, as 6145441 + 65318724 = 2479^2 + 8082^2 .

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

It is not a de Polignac number, because 71464165 - 2³ = 71464157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71464165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22926 + ... + 25855.

It is an arithmetic number, because the mean of its divisors is an integer number (10756431).

Almost surely, 2^71464165 is an apocalyptic number.

It is an amenable number.

71464165 is a deficient number, since it is larger than the sum of its proper divisors (14587283).

71464165 is a wasteful number, since it uses less digits than its factorization.

71464165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49079.

The product of its digits is 20160, while the sum is 34.

The square root of 71464165 is about 8453.6480291055. The cubic root of 71464165 is about 414.9821737153.

It can be divided in two parts, 7146 and 4165, that added together give a palindrome (11311).

The spelling of 71464165 in words is "seventy-one million, four hundred sixty-four thousand, one hundred sixty-five".