71323617 has 8 divisors (see below), whose sum is σ = 95164096. Its totient is φ = 47516112.

The previous prime is 71323601. The next prime is 71323639. The reversal of 71323617 is 71632317.

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

It is not a de Polignac number, because 71323617 - 2⁴ = 71323601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71323657) by changing a digit.

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, 2653 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (11895512).

Almost surely, 2^71323617 is an apocalyptic number.

It is an amenable number.

71323617 is a deficient number, since it is larger than the sum of its proper divisors (23840479).

71323617 is a wasteful number, since it uses less digits than its factorization.

71323617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487.

The product of its digits is 5292, while the sum is 30.

The square root of 71323617 is about 8445.3310769916. The cubic root of 71323617 is about 414.7099478051.

The spelling of 71323617 in words is "seventy-one million, three hundred twenty-three thousand, six hundred seventeen".