65735520 has 48 divisors (see below), whose sum is σ = 207068400. Its totient is φ = 17529344.

The previous prime is 65735513. The next prime is 65735533. The reversal of 65735520 is 2553756.

65735520 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 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 7 ways as a sum of consecutive naturals, for example, 67995 + ... + 68954.

It is an arithmetic number, because the mean of its divisors is an integer number (4313925).

Almost surely, 2^65735520 is an apocalyptic number.

65735520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65735520 is an abundant number, since it is smaller than the sum of its proper divisors (141332880).

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

65735520 is a wasteful number, since it uses less digits than its factorization.

65735520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136967 (or 136959 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 65735520 is about 8107.7444458986. The cubic root of 65735520 is about 403.5834676978.

The spelling of 65735520 in words is "sixty-five million, seven hundred thirty-five thousand, five hundred twenty".