71758045612 has 24 divisors (see below), whose sum is σ = 137051348112. Its totient is φ = 32603313600.

The previous prime is 71758045603. The next prime is 71758045627. The reversal of 71758045612 is 21654085717.

It is a super-2 number, since 2×71758045612² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 245323 + ... + 451330.

It is an arithmetic number, because the mean of its divisors is an integer number (5710472838).

Almost surely, 2^71758045612 is an apocalyptic number.

It is an amenable number.

71758045612 is a deficient number, since it is larger than the sum of its proper divisors (65293302500).

71758045612 is a wasteful number, since it uses less digits than its factorization.

71758045612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699009 (or 699007 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 71758045612 in words is "seventy-one billion, seven hundred fifty-eight million, forty-five thousand, six hundred twelve".