65317272 has 16 divisors (see below), whose sum is σ = 163293240. Its totient is φ = 21772416.

The previous prime is 65317271. The next prime is 65317297. The reversal of 65317272 is 27271356.

65317272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65317271) 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, 1360753 + ... + 1360800.

Almost surely, 2^65317272 is an apocalyptic number.

It is an amenable number.

65317272 is an abundant number, since it is smaller than the sum of its proper divisors (97975968).

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

65317272 is a wasteful number, since it uses less digits than its factorization.

65317272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721562 (or 2721558 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 65317272 is about 8081.9101702506. The cubic root of 65317272 is about 402.7257008652.

The spelling of 65317272 in words is "sixty-five million, three hundred seventeen thousand, two hundred seventy-two".