71967265 has 8 divisors (see below), whose sum is σ = 86457600. Its totient is φ = 57509232.

The previous prime is 71967263. The next prime is 71967281. The reversal of 71967265 is 56276917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71967265 - 2¹ = 71967263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71967263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (10807200).

Almost surely, 2^71967265 is an apocalyptic number.

It is an amenable number.

71967265 is a deficient number, since it is larger than the sum of its proper divisors (14490335).

71967265 is a wasteful number, since it uses less digits than its factorization.

71967265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its digits is 158760, while the sum is 43.

The square root of 71967265 is about 8483.3522265670. The cubic root of 71967265 is about 415.9537073271.

The spelling of 71967265 in words is "seventy-one million, nine hundred sixty-seven thousand, two hundred sixty-five".