67331 has 4 divisors (see below), whose sum is σ = 73464. Its totient is φ = 61200.

The previous prime is 67307. The next prime is 67339. The reversal of 67331 is 13376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67331 is a prime.

It is a super-2 number, since 2×67331² = 9066927122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 67331.

It is not an unprimeable number, because it can be changed into a prime (67339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (18366).

2⁶⁷³³¹ is an apocalyptic number.

67331 is a deficient number, since it is larger than the sum of its proper divisors (6133).

67331 is a wasteful number, since it uses less digits than its factorization.

67331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its digits is 378, while the sum is 20.

The square root of 67331 is about 259.4821766519. The cubic root of 67331 is about 40.6822553632.

It can be divided in two parts, 6 and 7331, that added together give a palindrome (7337).

The spelling of 67331 in words is "sixty-seven thousand, three hundred thirty-one".