71199968 has 24 divisors (see below), whose sum is σ = 160200432. Its totient is φ = 30514176.

The previous prime is 71199967. The next prime is 71199977. The reversal of 71199968 is 86999117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71199967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158705 + ... + 159152.

It is an arithmetic number, because the mean of its divisors is an integer number (6675018).

Almost surely, 2^71199968 is an apocalyptic number.

It is an amenable number.

71199968 is an abundant number, since it is smaller than the sum of its proper divisors (89000464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71199968 is a wasteful number, since it uses less digits than its factorization.

71199968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317874 (or 317866 counting only the distinct ones).

The product of its digits is 244944, while the sum is 50.

The square root of 71199968 is about 8438.0073477095. The cubic root of 71199968 is about 414.4701575189.

The spelling of 71199968 in words is "seventy-one million, one hundred ninety-nine thousand, nine hundred sixty-eight".