65725120 has 28 divisors (see below), whose sum is σ = 156508704. Its totient is φ = 26289920.

The previous prime is 65725097. The next prime is 65725151. The reversal of 65725120 is 2152756.

65725120 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 3 ways as a sum of consecutive naturals, for example, 102376 + ... + 103015.

Almost surely, 2^65725120 is an apocalyptic number.

It is an amenable number.

65725120 is an abundant number, since it is smaller than the sum of its proper divisors (90783584).

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

65725120 is a wasteful number, since it uses less digits than its factorization.

65725120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205408 (or 205398 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65725120 is about 8107.1030584297. The cubic root of 65725120 is about 403.5621829625.

Adding to 65725120 its reverse (2152756), we get a palindrome (67877876).

The spelling of 65725120 in words is "sixty-five million, seven hundred twenty-five thousand, one hundred twenty".