71033265 has 12 divisors (see below), whose sum is σ = 123124404. Its totient is φ = 37884384.

The previous prime is 71033243. The next prime is 71033297. The reversal of 71033265 is 56233017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35892081 + 35141184 = 5991^2 + 5928^2 .

It is not a de Polignac number, because 71033265 - 2⁵ = 71033233 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789214 + ... + 789303.

It is an arithmetic number, because the mean of its divisors is an integer number (10260367).

Almost surely, 2^71033265 is an apocalyptic number.

It is an amenable number.

71033265 is a deficient number, since it is larger than the sum of its proper divisors (52091139).

71033265 is a wasteful number, since it uses less digits than its factorization.

71033265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578528 (or 1578525 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 71033265 is about 8428.1234566183. The cubic root of 71033265 is about 414.1464335320.

The spelling of 71033265 in words is "seventy-one million, thirty-three thousand, two hundred sixty-five".