65004447 has 16 divisors (see below), whose sum is σ = 93506400. Its totient is φ = 40015872.

The previous prime is 65004403. The next prime is 65004473. The reversal of 65004447 is 74440056.

It is not a de Polignac number, because 65004447 - 2¹⁰ = 65003423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65004497) 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, 9322 + ... + 14727.

It is an arithmetic number, because the mean of its divisors is an integer number (5844150).

Almost surely, 2^65004447 is an apocalyptic number.

65004447 is a deficient number, since it is larger than the sum of its proper divisors (28501953).

65004447 is a wasteful number, since it uses less digits than its factorization.

65004447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 65004447 is about 8062.5335348140. The cubic root of 65004447 is about 402.0817449664.

The spelling of 65004447 in words is "sixty-five million, four thousand, four hundred forty-seven".