71412065 has 16 divisors (see below), whose sum is σ = 91514880. Its totient is φ = 53376960.

The previous prime is 71412049. The next prime is 71412067. The reversal of 71412065 is 56021417.

It is not a de Polignac number, because 71412065 - 2⁴ = 71412049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71412067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (5719680).

Almost surely, 2^71412065 is an apocalyptic number.

It is an amenable number.

71412065 is a deficient number, since it is larger than the sum of its proper divisors (20102815).

71412065 is a wasteful number, since it uses less digits than its factorization.

71412065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 71412065 is about 8450.5659573782. The cubic root of 71412065 is about 414.8813034519.

The spelling of 71412065 in words is "seventy-one million, four hundred twelve thousand, sixty-five".