65242272 has 24 divisors (see below), whose sum is σ = 171261216. Its totient is φ = 21747392.

The previous prime is 65242271. The next prime is 65242273. The reversal of 65242272 is 27224256.

It is an interprime number because it is at equal distance from previous prime (65242271) and next prime (65242273).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (65242271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339708 + ... + 339899.

It is an arithmetic number, because the mean of its divisors is an integer number (7135884).

Almost surely, 2^65242272 is an apocalyptic number.

It is an amenable number.

65242272 is an abundant number, since it is smaller than the sum of its proper divisors (106018944).

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

65242272 is a wasteful number, since it uses less digits than its factorization.

65242272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679620 (or 679612 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 65242272 is about 8077.2688453462. The cubic root of 65242272 is about 402.5714997140.

It can be divided in two parts, 652 and 42272, that added together give a palindrome (42924).

The spelling of 65242272 in words is "sixty-five million, two hundred forty-two thousand, two hundred seventy-two".