65753730 has 192 divisors, whose sum is σ = 208915200. Its totient is φ = 14031360.

The previous prime is 65753693. The next prime is 65753741. The reversal of 65753730 is 3735756.

65753730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 95 ways as a sum of consecutive naturals, for example, 1077900 + ... + 1077960.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^65753730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65753730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

65753730 is an abundant number, since it is smaller than the sum of its proper divisors (143161470).

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

65753730 is a wasteful number, since it uses less digits than its factorization.

65753730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 65753730 is about 8108.8673685047. The cubic root of 65753730 is about 403.6207310445.

The spelling of 65753730 in words is "sixty-five million, seven hundred fifty-three thousand, seven hundred thirty".