71035443906 has 32 divisors (see below), whose sum is σ = 170912348160. Its totient is φ = 19227638736.

The previous prime is 71035443889. The next prime is 71035443937. The reversal of 71035443906 is 60934453017.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44507626 + ... + 44509221.

It is an arithmetic number, because the mean of its divisors is an integer number (5341010880).

Almost surely, 2^71035443906 is an apocalyptic number.

71035443906 is an abundant number, since it is smaller than the sum of its proper divisors (99876904254).

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

71035443906 is a wasteful number, since it uses less digits than its factorization.

71035443906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89016878.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 71035443906 in words is "seventy-one billion, thirty-five million, four hundred forty-three thousand, nine hundred six".