71040673700 has 72 divisors (see below), whose sum is σ = 156391656960. Its totient is φ = 28007337600.

The previous prime is 71040673681. The next prime is 71040673709. The reversal of 71040673700 is 737604017.

It is not an unprimeable number, because it can be changed into a prime (71040673709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2064839 + ... + 2098961.

Almost surely, 2^71040673700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71040673700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78195828480).

71040673700 is an abundant number, since it is smaller than the sum of its proper divisors (85350983260).

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

71040673700 is a wasteful number, since it uses less digits than its factorization.

71040673700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437 (or 34430 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 71040673700 in words is "seventy-one billion, forty million, six hundred seventy-three thousand, seven hundred".