71334965 has 8 divisors (see below), whose sum is σ = 92186808. Its totient is φ = 52678080.

The previous prime is 71334959. The next prime is 71334973. The reversal of 71334965 is 56943317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49 + 71334916 = 7^2 + 8446^2 .

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

It is not a de Polignac number, because 71334965 - 2¹² = 71330869 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 548666 + ... + 548795.

It is an arithmetic number, because the mean of its divisors is an integer number (11523351).

Almost surely, 2^71334965 is an apocalyptic number.

It is an amenable number.

71334965 is a deficient number, since it is larger than the sum of its proper divisors (20851843).

71334965 is a wasteful number, since it uses less digits than its factorization.

71334965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097479.

The product of its digits is 68040, while the sum is 38.

The square root of 71334965 is about 8446.0029007809. The cubic root of 71334965 is about 414.7319408892.

The spelling of 71334965 in words is "seventy-one million, three hundred thirty-four thousand, nine hundred sixty-five".