67573 has 4 divisors (see below), whose sum is σ = 73728. Its totient is φ = 61420.

The previous prime is 67567. The next prime is 67577. The reversal of 67573 is 37576.

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 67573 - 2⁹ = 67061 is a prime.

It is a super-2 number, since 2×67573² = 9132220658, which contains 22 as substring.

It is a Duffinian number.

67573 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67577) 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, 3061 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (18432).

2⁶⁷⁵⁷³ is an apocalyptic number.

It is an amenable number.

67573 is a deficient number, since it is larger than the sum of its proper divisors (6155).

67573 is a wasteful number, since it uses less digits than its factorization.

67573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154.

The product of its digits is 4410, while the sum is 28.

The square root of 67573 is about 259.9480717374. The cubic root of 67573 is about 40.7309369227.

The spelling of 67573 in words is "sixty-seven thousand, five hundred seventy-three".