68730 has 32 divisors (see below), whose sum is σ = 172800. Its totient is φ = 17472.

The previous prime is 68729. The next prime is 68737. The reversal of 68730 is 3786.

It is a self number, because there is not a number n which added to its sum of digits gives 68730.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68737) 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, 831 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (5400).

2⁶⁸⁷³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86400).

68730 is an abundant number, since it is smaller than the sum of its proper divisors (104070).

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

68730 is a wasteful number, since it uses less digits than its factorization.

68730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 68730 is about 262.1640707649. The cubic root of 68730 is about 40.9620906780.

It can be divided in two parts, 687 and 30, that added together give a palindrome (717).

The spelling of 68730 in words is "sixty-eight thousand, seven hundred thirty".