672552 has 24 divisors (see below), whose sum is σ = 1821690. Its totient is φ = 224160.

The previous prime is 672521. The next prime is 672557. The reversal of 672552 is 255276.

It can be written as a sum of positive squares in only one way, i.e., 617796 + 54756 = 786^2 + 234^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672552.

It is not an unprimeable number, because it can be changed into a prime (672557) by changing a digit.

672552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4599 + ... + 4742.

2⁶⁷²⁵⁵² is an apocalyptic number.

It is an amenable number.

672552 is an abundant number, since it is smaller than the sum of its proper divisors (1149138).

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

672552 is a wasteful number, since it uses less digits than its factorization.

672552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353 (or 9346 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 672552 is about 820.0926776895. The cubic root of 672552 is about 87.6143593150.

The spelling of 672552 in words is "six hundred seventy-two thousand, five hundred fifty-two".