71210265 has 32 divisors (see below), whose sum is σ = 131798016. Its totient is φ = 32157120.

The previous prime is 71210261. The next prime is 71210273. The reversal of 71210265 is 56201217.

It is not a de Polignac number, because 71210265 - 2² = 71210261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71210261) 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 31 ways as a sum of consecutive naturals, for example, 4630 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (4118688).

Almost surely, 2^71210265 is an apocalyptic number.

It is an amenable number.

71210265 is a deficient number, since it is larger than the sum of its proper divisors (60587751).

71210265 is a wasteful number, since it uses less digits than its factorization.

71210265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71210265 is about 8438.6174815547. The cubic root of 71210265 is about 414.4901368982.

The spelling of 71210265 in words is "seventy-one million, two hundred ten thousand, two hundred sixty-five".