71430568785 has 48 divisors (see below), whose sum is σ = 125443718400. Its totient is φ = 37595031552.

The previous prime is 71430568757. The next prime is 71430568787. The reversal of 71430568785 is 58786503417.

It is a happy number.

71430568785 is a `hidden beast` number, since 7 + 1 + 4 + 3 + 0 + 568 + 78 + 5 = 666.

It is not a de Polignac number, because 71430568785 - 2⁸ = 71430568529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71430568787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9534321 + ... + 9541809.

It is an arithmetic number, because the mean of its divisors is an integer number (2613410800).

Almost surely, 2^71430568785 is an apocalyptic number.

It is an amenable number.

71430568785 is a deficient number, since it is larger than the sum of its proper divisors (54013149615).

71430568785 is a wasteful number, since it uses less digits than its factorization.

71430568785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262 (or 10259 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 71430568785 in words is "seventy-one billion, four hundred thirty million, five hundred sixty-eight thousand, seven hundred eighty-five".