65750432 has 36 divisors (see below), whose sum is σ = 142292178. Its totient is φ = 29884800.

The previous prime is 65750401. The next prime is 65750449. The reversal of 65750432 is 23405756.

65750432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 28344976 = 6116^2 + 5324^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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 5 ways as a sum of consecutive naturals, for example, 4619 + ... + 12362.

Almost surely, 2^65750432 is an apocalyptic number.

It is an amenable number.

65750432 is an abundant number, since it is smaller than the sum of its proper divisors (76541746).

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

65750432 is a wasteful number, since it uses less digits than its factorization.

65750432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013 (or 16994 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 65750432 is about 8108.6640083308. The cubic root of 65750432 is about 403.6139828168.

The spelling of 65750432 in words is "sixty-five million, seven hundred fifty thousand, four hundred thirty-two".