71345110842 has 24 divisors (see below), whose sum is σ = 163674078516. Its totient is φ = 22382779776.

The previous prime is 71345110819. The next prime is 71345110861. The reversal of 71345110842 is 24801154317.

71345110842 is a `hidden beast` number, since 7 + 134 + 511 + 0 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70262635041 + 1082475801 = 265071^2 + 32901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71345110797 and 71345110806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116576673 + ... + 116577284.

Almost surely, 2^71345110842 is an apocalyptic number.

71345110842 is an abundant number, since it is smaller than the sum of its proper divisors (92328967674).

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

71345110842 is a wasteful number, since it uses less digits than its factorization.

71345110842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233153982 (or 233153979 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 71345110842 in words is "seventy-one billion, three hundred forty-five million, one hundred ten thousand, eight hundred forty-two".