71206346047252 has 12 divisors (see below), whose sum is σ = 134196575242996. Its totient is φ = 32864467406400.

The previous prime is 71206346047231. The next prime is 71206346047259. The reversal of 71206346047252 is 25274064360217.

It can be written as a sum of positive squares in 2 ways, for example, as 10641779206276 + 60564566840976 = 3262174^2 + 7782324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71206346047196 and 71206346047205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71206346047259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684676404249 + ... + 684676404352.

Almost surely, 2^{71206346047252} is an apocalyptic number.

It is an amenable number.

71206346047252 is a deficient number, since it is larger than the sum of its proper divisors (62990229195744).

71206346047252 is a wasteful number, since it uses less digits than its factorization.

71206346047252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369352808618 (or 1369352808616 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 71206346047252 in words is "seventy-one trillion, two hundred six billion, three hundred forty-six million, forty-seven thousand, two hundred fifty-two".