669272 has 16 divisors (see below), whose sum is σ = 1263600. Its totient is φ = 332320.

The previous prime is 669271. The next prime is 669283. The reversal of 669272 is 272966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669271) 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, 1997 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2⁶⁶⁹²⁷² is an apocalyptic number.

It is an amenable number.

669272 is a deficient number, since it is larger than the sum of its proper divisors (594328).

669272 is a wasteful number, since it uses less digits than its factorization.

669272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 669272 is about 818.0904595459. The cubic root of 669272 is about 87.4716969684.

The spelling of 669272 in words is "six hundred sixty-nine thousand, two hundred seventy-two".