65378 has 8 divisors (see below), whose sum is σ = 99372. Its totient is φ = 32256.

The previous prime is 65371. The next prime is 65381. The reversal of 65378 is 87356.

It can be written as a sum of positive squares in 2 ways, for example, as 64009 + 1369 = 253^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 65378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65371) 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, 26 + ... + 362.

2⁶⁵³⁷⁸ is an apocalyptic number.

65378 is a deficient number, since it is larger than the sum of its proper divisors (33994).

65378 is a wasteful number, since it uses less digits than its factorization.

65378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its digits is 5040, while the sum is 29.

The square root of 65378 is about 255.6912200292. The cubic root of 65378 is about 40.2850472104.

The spelling of 65378 in words is "sixty-five thousand, three hundred seventy-eight".