71306393743757 has 8 divisors (see below), whose sum is σ = 76137059448384. Its totient is φ = 66619927015488.

The previous prime is 71306393743723. The next prime is 71306393743771. The reversal of 71306393743757 is 75734739360317.

It is a happy number.

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 71306393743757 - 2³⁴ = 71289213874573 is a prime.

It is a super-3 number, since 3×71306393743757³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71306393743693 and 71306393743702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71306393743457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36049743068 + ... + 36049745045.

It is an arithmetic number, because the mean of its divisors is an integer number (9517132431048).

Almost surely, 2^{71306393743757} is an apocalyptic number.

It is an amenable number.

71306393743757 is a deficient number, since it is larger than the sum of its proper divisors (4830665704627).

71306393743757 is a wasteful number, since it uses less digits than its factorization.

71306393743757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72099488179.

The product of its (nonzero) digits is 210039480, while the sum is 65.

The spelling of 71306393743757 in words is "seventy-one trillion, three hundred six billion, three hundred ninety-three million, seven hundred forty-three thousand, seven hundred fifty-seven".