65404318 has 24 divisors (see below), whose sum is σ = 119089872. Its totient is φ = 26810784.

The previous prime is 65404301. The next prime is 65404319. The reversal of 65404318 is 81340456.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65404318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65404319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12255 + ... + 16762.

It is an arithmetic number, because the mean of its divisors is an integer number (4962078).

Almost surely, 2^65404318 is an apocalyptic number.

65404318 is a deficient number, since it is larger than the sum of its proper divisors (53685554).

65404318 is a wasteful number, since it uses less digits than its factorization.

65404318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29056 (or 29049 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 65404318 is about 8087.2936140590. The cubic root of 65404318 is about 402.9045208482.

The spelling of 65404318 in words is "sixty-five million, four hundred four thousand, three hundred eighteen".