65840352 has 48 divisors (see below), whose sum is σ = 180351360. Its totient is φ = 20991872.

The previous prime is 65840351. The next prime is 65840387. The reversal of 65840352 is 25304856.

65840352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65840351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12702 + ... + 17117.

It is an arithmetic number, because the mean of its divisors is an integer number (3757320).

Almost surely, 2^65840352 is an apocalyptic number.

It is an amenable number.

65840352 is an abundant number, since it is smaller than the sum of its proper divisors (114511008).

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

65840352 is a wasteful number, since it uses less digits than its factorization.

65840352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29855 (or 29847 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 65840352 is about 8114.2068004211. The cubic root of 65840352 is about 403.7978925702.

The spelling of 65840352 in words is "sixty-five million, eight hundred forty thousand, three hundred fifty-two".