672533 has 4 divisors (see below), whose sum is σ = 677580. Its totient is φ = 667488.

The previous prime is 672521. The next prime is 672557. The reversal of 672533 is 335276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 97969 = 758^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 672533 - 2¹⁶ = 606997 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

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 672533.

It is not an unprimeable number, because it can be changed into a prime (672593) 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, 2318 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (169395).

2⁶⁷²⁵³³ is an apocalyptic number.

It is an amenable number.

672533 is a deficient number, since it is larger than the sum of its proper divisors (5047).

672533 is a wasteful number, since it uses less digits than its factorization.

672533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its digits is 3780, while the sum is 26.

The square root of 672533 is about 820.0810935511. The cubic root of 672533 is about 87.6135342543.

The spelling of 672533 in words is "six hundred seventy-two thousand, five hundred thirty-three".