71711700 has 144 divisors (see below), whose sum is σ = 228318720. Its totient is φ = 17297280.

The previous prime is 71711663. The next prime is 71711701. The reversal of 71711700 is 711717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71711701) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 130827 + ... + 131373.

Almost surely, 2^71711700 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 71711700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114159360).

71711700 is an abundant number, since it is smaller than the sum of its proper divisors (156607020).

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

71711700 is a wasteful number, since it uses less digits than its factorization.

71711700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 343, while the sum is 24.

The square root of 71711700 is about 8468.2760937513. The cubic root of 71711700 is about 415.4607550098.

The spelling of 71711700 in words is "seventy-one million, seven hundred eleven thousand, seven hundred".