68236872 has 64 divisors (see below), whose sum is σ = 190460160. Its totient is φ = 20193600.

The previous prime is 68236867. The next prime is 68236877. The reversal of 68236872 is 27863286.

It is an interprime number because it is at equal distance from previous prime (68236867) and next prime (68236877).

It is a super-3 number, since 3×68236872³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68236877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8347 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (2975940).

Almost surely, 2^68236872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68236872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95230080).

68236872 is an abundant number, since it is smaller than the sum of its proper divisors (122223288).

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

68236872 is a wasteful number, since it uses less digits than its factorization.

68236872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074 (or 6070 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 68236872 is about 8260.5612400127. The cubic root of 68236872 is about 408.6388971293.

It can be divided in two parts, 6823 and 6872, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 68236872 in words is "sixty-eight million, two hundred thirty-six thousand, eight hundred seventy-two".