71065200 has 60 divisors (see below), whose sum is σ = 227649368. Its totient is φ = 18950400.

The previous prime is 71065199. The next prime is 71065223. The reversal of 71065200 is 256017.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 28411 + ... + 30810.

Almost surely, 2^71065200 is an apocalyptic number.

It is an amenable number.

71065200 is an abundant number, since it is smaller than the sum of its proper divisors (156584168).

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

71065200 is a wasteful number, since it uses less digits than its factorization.

71065200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59242 (or 59231 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 71065200 is about 8430.0177935755. The cubic root of 71065200 is about 414.2084879551.

The spelling of 71065200 in words is "seventy-one million, sixty-five thousand, two hundred".