71068321 has 8 divisors (see below), whose sum is σ = 75098880. Its totient is φ = 67116192.

The previous prime is 71068297. The next prime is 71068363. The reversal of 71068321 is 12386017.

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

It is a cyclic number.

It is not a de Polignac number, because 71068321 - 2⁵ = 71068289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71068321.

It is not an unprimeable number, because it can be changed into a prime (71060321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17740 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (9387360).

Almost surely, 2^71068321 is an apocalyptic number.

It is an amenable number.

71068321 is a deficient number, since it is larger than the sum of its proper divisors (4030559).

71068321 is a wasteful number, since it uses less digits than its factorization.

71068321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 71068321 is about 8430.2029038452. The cubic root of 71068321 is about 414.2145515219.

The spelling of 71068321 in words is "seventy-one million, sixty-eight thousand, three hundred twenty-one".