71328508007 has 2 divisors, whose sum is σ = 71328508008. Its totient is φ = 71328508006.

The previous prime is 71328507997. The next prime is 71328508021. The reversal of 71328508007 is 70080582317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71328508007 - 2¹⁰ = 71328506983 is a prime.

It is a super-2 number, since 2×71328508007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71328508907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35664254003 + 35664254004.

It is an arithmetic number, because the mean of its divisors is an integer number (35664254004).

Almost surely, 2^71328508007 is an apocalyptic number.

71328508007 is a deficient number, since it is larger than the sum of its proper divisors (1).

71328508007 is an equidigital number, since it uses as much as digits as its factorization.

71328508007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 71328508007 in words is "seventy-one billion, three hundred twenty-eight million, five hundred eight thousand, seven".