71435347040 has 48 divisors (see below), whose sum is σ = 169980204240. Its totient is φ = 28368560640.

The previous prime is 71435346989. The next prime is 71435347057. The reversal of 71435347040 is 4074353417.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71435346985 and 71435347003.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1583771 + ... + 1628250.

It is an arithmetic number, because the mean of its divisors is an integer number (3541254255).

Almost surely, 2^71435347040 is an apocalyptic number.

It is an amenable number.

71435347040 is an abundant number, since it is smaller than the sum of its proper divisors (98544857200).

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

71435347040 is a wasteful number, since it uses less digits than its factorization.

71435347040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212175 (or 3212167 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 71435347040 in words is "seventy-one billion, four hundred thirty-five million, three hundred forty-seven thousand, forty".