71235535740 has 24 divisors (see below), whose sum is σ = 199459500240. Its totient is φ = 18996142848.

The previous prime is 71235535703. The next prime is 71235535751. The reversal of 71235535740 is 4753553217.

It is a junction number, because it is equal to n+sod(n) for n = 71235535692 and 71235535701.

It is a congruent 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, 593629405 + ... + 593629524.

It is an arithmetic number, because the mean of its divisors is an integer number (8310812510).

Almost surely, 2^71235535740 is an apocalyptic number.

It is an amenable number.

71235535740 is an abundant number, since it is smaller than the sum of its proper divisors (128223964500).

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

71235535740 is a wasteful number, since it uses less digits than its factorization.

71235535740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187258941 (or 1187258939 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 71235535740 in words is "seventy-one billion, two hundred thirty-five million, five hundred thirty-five thousand, seven hundred forty".