65728232 has 24 divisors (see below), whose sum is σ = 125603010. Its totient is φ = 32237280.

The previous prime is 65728211. The next prime is 65728249. The reversal of 65728232 is 23282756.

It can be written as a sum of positive squares in only one way, i.e., 65189476 + 538756 = 8074^2 + 734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65728192 and 65728201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178913 + ... + 179279.

Almost surely, 2^65728232 is an apocalyptic number.

It is an amenable number.

65728232 is a deficient number, since it is larger than the sum of its proper divisors (59874778).

65728232 is an equidigital number, since it uses as much as digits as its factorization.

65728232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 430 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 65728232 is about 8107.2949866154. The cubic root of 65728232 is about 403.5685522456.

The spelling of 65728232 in words is "sixty-five million, seven hundred twenty-eight thousand, two hundred thirty-two".