65804672 has 32 divisors (see below), whose sum is σ = 134303400. Its totient is φ = 32097280.

The previous prime is 65804659. The next prime is 65804677. The reversal of 65804672 is 27640856.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65804677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 11517.

Almost surely, 2^65804672 is an apocalyptic number.

It is an amenable number.

65804672 is an abundant number, since it is smaller than the sum of its proper divisors (68498728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65804672 is a wasteful number, since it uses less digits than its factorization.

65804672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 65804672 is about 8112.0078895425. The cubic root of 65804672 is about 403.7249377549.

The spelling of 65804672 in words is "sixty-five million, eight hundred four thousand, six hundred seventy-two".