71068133407 has 4 divisors (see below), whose sum is σ = 71478932040. Its totient is φ = 70657334776.

The previous prime is 71068133377. The next prime is 71068133413. The reversal of 71068133407 is 70433186017.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71068133407 - 2¹⁵ = 71068100639 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 71068133407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71068133707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205399057 + ... + 205399402.

It is an arithmetic number, because the mean of its divisors is an integer number (17869733010).

Almost surely, 2^71068133407 is an apocalyptic number.

71068133407 is a deficient number, since it is larger than the sum of its proper divisors (410798633).

71068133407 is a wasteful number, since it uses less digits than its factorization.

71068133407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410798632.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 71068133407 in words is "seventy-one billion, sixty-eight million, one hundred thirty-three thousand, four hundred seven".