65065428 has 36 divisors (see below), whose sum is σ = 164804640. Its totient is φ = 21644496.

The previous prime is 65065417. The next prime is 65065453. The reversal of 65065428 is 82456056.

65065428 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65065392 and 65065401.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19593 + ... + 22671.

Almost surely, 2^65065428 is an apocalyptic number.

It is an amenable number.

65065428 is an abundant number, since it is smaller than the sum of its proper divisors (99739212).

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

65065428 is a wasteful number, since it uses less digits than its factorization.

65065428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 65065428 is about 8066.3144000219. The cubic root of 65065428 is about 402.2074373089.

The spelling of 65065428 in words is "sixty-five million, sixty-five thousand, four hundred twenty-eight".