71330319036 has 24 divisors (see below), whose sum is σ = 184930457040. Its totient is φ = 23776772976.

The previous prime is 71330318971. The next prime is 71330319041. The reversal of 71330319036 is 63091303317.

71330319036 is a `hidden beast` number, since 7 + 1 + 330 + 319 + 0 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 330232851 + ... + 330233066.

It is an arithmetic number, because the mean of its divisors is an integer number (7705435710).

Almost surely, 2^71330319036 is an apocalyptic number.

It is an amenable number.

71330319036 is an abundant number, since it is smaller than the sum of its proper divisors (113600138004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71330319036 is a wasteful number, since it uses less digits than its factorization.

71330319036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660465930 (or 660465922 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 36.

The spelling of 71330319036 in words is "seventy-one billion, three hundred thirty million, three hundred nineteen thousand, thirty-six".