71230465 has 4 divisors (see below), whose sum is σ = 85476564. Its totient is φ = 56984368.

The previous prime is 71230457. The next prime is 71230477. The reversal of 71230465 is 56403217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56403217 = 13 ⋅4338709.

It can be written as a sum of positive squares in 2 ways, for example, as 51151104 + 20079361 = 7152^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 71230465 - 2³ = 71230457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7123042 + ... + 7123051.

It is an arithmetic number, because the mean of its divisors is an integer number (21369141).

Almost surely, 2^71230465 is an apocalyptic number.

It is an amenable number.

71230465 is a deficient number, since it is larger than the sum of its proper divisors (14246099).

71230465 is a wasteful number, since it uses less digits than its factorization.

71230465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246098.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71230465 is about 8439.8142752077. The cubic root of 71230465 is about 414.5293255798.

The spelling of 71230465 in words is "seventy-one million, two hundred thirty thousand, four hundred sixty-five".