67698 has 12 divisors (see below), whose sum is σ = 146718. Its totient is φ = 22560.

The previous prime is 67679. The next prime is 67699. The reversal of 67698 is 89676.

It can be written as a sum of positive squares in only one way, i.e., 59049 + 8649 = 243^2 + 93^2 .

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 67698.

It is not an unprimeable number, because it can be changed into a prime (67699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1863 + ... + 1898.

2⁶⁷⁶⁹⁸ is an apocalyptic number.

67698 is an abundant number, since it is smaller than the sum of its proper divisors (79020).

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

67698 is a wasteful number, since it uses less digits than its factorization.

67698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3766 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 67698 is about 260.1883932846. The cubic root of 67698 is about 40.7560368439.

The spelling of 67698 in words is "sixty-seven thousand, six hundred ninety-eight".