71000804737 has 2 divisors, whose sum is σ = 71000804738. Its totient is φ = 71000804736.

The previous prime is 71000804729. The next prime is 71000804741. The reversal of 71000804737 is 73740800017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43143859521 + 27856945216 = 207711^2 + 166904^2 .

It is a cyclic number.

It is not a de Polignac number, because 71000804737 - 2³ = 71000804729 is a prime.

It is a super-2 number, since 2×71000804737² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71000804696 and 71000804705.

It is not a weakly prime, because it can be changed into another prime (71000804747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500402368 + 35500402369.

It is an arithmetic number, because the mean of its divisors is an integer number (35500402369).

Almost surely, 2^71000804737 is an apocalyptic number.

It is an amenable number.

71000804737 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000804737 is an equidigital number, since it uses as much as digits as its factorization.

71000804737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 71000804737 in words is "seventy-one billion, eight hundred four thousand, seven hundred thirty-seven".