65732272 has 20 divisors (see below), whose sum is σ = 127627000. Its totient is φ = 32796288.

The previous prime is 65732237. The next prime is 65732281. The reversal of 65732272 is 27223756.

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 3 ways as a sum of consecutive naturals, for example, 3868 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (6381350).

Almost surely, 2^65732272 is an apocalyptic number.

It is an amenable number.

65732272 is a deficient number, since it is larger than the sum of its proper divisors (61894728).

65732272 is a wasteful number, since it uses less digits than its factorization.

65732272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 8734 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 65732272 is about 8107.5441411071. The cubic root of 65732272 is about 403.5768205523.

The spelling of 65732272 in words is "sixty-five million, seven hundred thirty-two thousand, two hundred seventy-two".