71996335 has 8 divisors (see below), whose sum is σ = 87251616. Its totient is φ = 57026400.

The previous prime is 71996321. The next prime is 71996359. The reversal of 71996335 is 53369917.

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 71996335 - 2⁹ = 71995823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71996291 and 71996300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70779 + ... + 71788.

It is an arithmetic number, because the mean of its divisors is an integer number (10906452).

Almost surely, 2^71996335 is an apocalyptic number.

71996335 is a deficient number, since it is larger than the sum of its proper divisors (15255281).

71996335 is a wasteful number, since it uses less digits than its factorization.

71996335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142673.

The product of its digits is 153090, while the sum is 43.

The square root of 71996335 is about 8485.0654092941. The cubic root of 71996335 is about 416.0097056876.

The spelling of 71996335 in words is "seventy-one million, nine hundred ninety-six thousand, three hundred thirty-five".