67533 has 4 divisors (see below), whose sum is σ = 90048. Its totient is φ = 45020.

The previous prime is 67531. The next prime is 67537. The reversal of 67533 is 33576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67533 - 2¹ = 67531 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67531) 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, 11253 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (22512).

2⁶⁷⁵³³ is an apocalyptic number.

It is an amenable number.

67533 is a deficient number, since it is larger than the sum of its proper divisors (22515).

67533 is a wasteful number, since it uses less digits than its factorization.

67533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22514.

The product of its digits is 1890, while the sum is 24.

The square root of 67533 is about 259.8711219047. The cubic root of 67533 is about 40.7228984110.

The spelling of 67533 in words is "sixty-seven thousand, five hundred thirty-three".