68317272 has 48 divisors (see below), whose sum is σ = 191412000. Its totient is φ = 21986496.

The previous prime is 68317267. The next prime is 68317279. The reversal of 68317272 is 27271386.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68317279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14272 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (3987750).

Almost surely, 2^68317272 is an apocalyptic number.

It is an amenable number.

68317272 is an abundant number, since it is smaller than the sum of its proper divisors (123094728).

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

68317272 is a wasteful number, since it uses less digits than its factorization.

68317272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32760 (or 32753 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 68317272 is about 8265.4263047952. The cubic root of 68317272 is about 408.7993268754.

It can be divided in two parts, 683 and 17272, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 68317272 in words is "sixty-eight million, three hundred seventeen thousand, two hundred seventy-two".