71662713030 has 48 divisors (see below), whose sum is σ = 186922236384. Its totient is φ = 19048602240.

The previous prime is 71662713029. The next prime is 71662713043. The reversal of 71662713030 is 3031726617.

71662713030 is a `hidden beast` number, since 7 + 16 + 627 + 13 + 0 + 3 + 0 = 666.

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 23 ways as a sum of consecutive naturals, for example, 1252159 + ... + 1308138.

It is an arithmetic number, because the mean of its divisors is an integer number (3894213258).

Almost surely, 2^71662713030 is an apocalyptic number.

71662713030 is an abundant number, since it is smaller than the sum of its proper divisors (115259523354).

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

71662713030 is a wasteful number, since it uses less digits than its factorization.

71662713030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560621 (or 2560618 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 71662713030 in words is "seventy-one billion, six hundred sixty-two million, seven hundred thirteen thousand, thirty".