65872232 has 16 divisors (see below), whose sum is σ = 123624900. Its totient is φ = 32905600.

The previous prime is 65872231. The next prime is 65872237. The reversal of 65872232 is 23227856.

65872232 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 2 ways, for example, as 62315236 + 3556996 = 7894^2 + 1886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65872192 and 65872201.

It is not an unprimeable number, because it can be changed into a prime (65872231) by changing a digit.

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, 7244 + ... + 13572.

Almost surely, 2^65872232 is an apocalyptic number.

It is an amenable number.

65872232 is a deficient number, since it is larger than the sum of its proper divisors (57752668).

65872232 is a wasteful number, since it uses less digits than its factorization.

65872232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636 (or 7632 counting only the distinct ones).

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

The square root of 65872232 is about 8116.1710184052. The cubic root of 65872232 is about 403.8630552415.

The spelling of 65872232 in words is "sixty-five million, eight hundred seventy-two thousand, two hundred thirty-two".