71542340676 has 27 divisors (see below), whose sum is σ = 180847195711. Its totient is φ = 23846911944.

The previous prime is 71542340663. The next prime is 71542340689. The reversal of 71542340676 is 67604324517.

The square root of 71542340676 is 267474.

It is a perfect power (a square), and thus also a powerful number.

71542340676 is a `hidden beast` number, since 7 + 1 + 542 + 3 + 40 + 67 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (71542340663) and next prime (71542340689).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1582555 + ... + 1627133.

Almost surely, 2^71542340676 is an apocalyptic number.

71542340676 is the 267474-th square number.

It is an amenable number.

71542340676 is an abundant number, since it is smaller than the sum of its proper divisors (109304855035).

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

71542340676 is an frugal number, since it uses more digits than its factorization.

71542340676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89168 (or 44584 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 71542340676 in words is "seventy-one billion, five hundred forty-two million, three hundred forty thousand, six hundred seventy-six".