71065700 has 72 divisors (see below), whose sum is σ = 164260320. Its totient is φ = 26611200.

The previous prime is 71065697. The next prime is 71065723. The reversal of 71065700 is 756017.

It is a self number, because there is not a number n which added to its sum of digits gives 71065700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214535 + ... + 214865.

Almost surely, 2^71065700 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 71065700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82130160).

71065700 is an abundant number, since it is smaller than the sum of its proper divisors (93194620).

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

71065700 is a wasteful number, since it uses less digits than its factorization.

71065700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 71065700 is about 8430.0474494513. The cubic root of 71065700 is about 414.2094593811.

The spelling of 71065700 in words is "seventy-one million, sixty-five thousand, seven hundred".