65820760 has 32 divisors (see below), whose sum is σ = 148352400. Its totient is φ = 26282880.

The previous prime is 65820737. The next prime is 65820767. The reversal of 65820760 is 6702856.

65820760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65820767) 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, 31426 + ... + 33454.

Almost surely, 2^65820760 is an apocalyptic number.

It is an amenable number.

65820760 is an abundant number, since it is smaller than the sum of its proper divisors (82531640).

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

65820760 is a wasteful number, since it uses less digits than its factorization.

65820760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 65820760 is about 8112.9994453346. Note that the first 3 decimals coincide. The cubic root of 65820760 is about 403.7578361159.

The spelling of 65820760 in words is "sixty-five million, eight hundred twenty thousand, seven hundred sixty".