71282943905 has 8 divisors (see below), whose sum is σ = 85550846784. Its totient is φ = 57018812400.

The previous prime is 71282943877. The next prime is 71282943937. The reversal of 71282943905 is 50934928217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71282943905 - 2⁶ = 71282943841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901091 + ... + 977000.

It is an arithmetic number, because the mean of its divisors is an integer number (10693855848).

Almost surely, 2^71282943905 is an apocalyptic number.

It is an amenable number.

71282943905 is a deficient number, since it is larger than the sum of its proper divisors (14267902879).

71282943905 is a wasteful number, since it uses less digits than its factorization.

71282943905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885687.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 71282943905 in words is "seventy-one billion, two hundred eighty-two million, nine hundred forty-three thousand, nine hundred five".