71213275768330 has 32 divisors (see below), whose sum is σ = 130677477931728. Its totient is φ = 27931798502400.

The previous prime is 71213275768213. The next prime is 71213275768417. The reversal of 71213275768330 is 3386757231217.

It can be written as a sum of positive squares in 8 ways, for example, as 24852687651009 + 46360588117321 = 4985247^2 + 6808861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37665631 + ... + 39511090.

Almost surely, 2^{71213275768330} is an apocalyptic number.

71213275768330 is a deficient number, since it is larger than the sum of its proper divisors (59464202163398).

71213275768330 is a wasteful number, since it uses less digits than its factorization.

71213275768330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77178522.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 71213275768330 in words is "seventy-one trillion, two hundred thirteen billion, two hundred seventy-five million, seven hundred sixty-eight thousand, three hundred thirty".