71704065 has 16 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 38151552.

The previous prime is 71704051. The next prime is 71704099. The reversal of 71704065 is 56040717.

It is a happy number.

It is not a de Polignac number, because 71704065 - 2⁶ = 71704001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (7187400).

Almost surely, 2^71704065 is an apocalyptic number.

It is an amenable number.

71704065 is a deficient number, since it is larger than the sum of its proper divisors (43294335).

71704065 is a wasteful number, since it uses less digits than its factorization.

71704065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 71704065 is about 8467.8252816175. The cubic root of 71704065 is about 415.4460100637.

The spelling of 71704065 in words is "seventy-one million, seven hundred four thousand, sixty-five".