71324465 has 4 divisors (see below), whose sum is σ = 85589364. Its totient is φ = 57059568.

The previous prime is 71324437. The next prime is 71324471. The reversal of 71324465 is 56442317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56442317 = 229 ⋅246473.

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 47831056 = 4847^2 + 6916^2 .

It is a cyclic number.

It is not a de Polignac number, because 71324465 - 2²⁴ = 54547249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132442 + ... + 7132451.

It is an arithmetic number, because the mean of its divisors is an integer number (21397341).

Almost surely, 2^71324465 is an apocalyptic number.

It is an amenable number.

71324465 is a deficient number, since it is larger than the sum of its proper divisors (14264899).

71324465 is a wasteful number, since it uses less digits than its factorization.

71324465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264898.

The product of its digits is 20160, while the sum is 32.

The square root of 71324465 is about 8445.3812820973. The cubic root of 71324465 is about 414.7115913591.

The spelling of 71324465 in words is "seventy-one million, three hundred twenty-four thousand, four hundred sixty-five".