71995893 has 8 divisors (see below), whose sum is σ = 99304800. Its totient is φ = 46342128.

The previous prime is 71995849. The next prime is 71995909. The reversal of 71995893 is 39859917.

It is a happy number.

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

It is not a de Polignac number, because 71995893 - 2⁹ = 71995381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71995813) 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 7 ways as a sum of consecutive naturals, for example, 413683 + ... + 413856.

It is an arithmetic number, because the mean of its divisors is an integer number (12413100).

Almost surely, 2^71995893 is an apocalyptic number.

It is an amenable number.

71995893 is a deficient number, since it is larger than the sum of its proper divisors (27308907).

71995893 is a wasteful number, since it uses less digits than its factorization.

71995893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827571.

The product of its digits is 612360, while the sum is 51.

The square root of 71995893 is about 8485.0393634915. The cubic root of 71995893 is about 416.0088543634.

The spelling of 71995893 in words is "seventy-one million, nine hundred ninety-five thousand, eight hundred ninety-three".