669074 has 8 divisors (see below), whose sum is σ = 1147008. Its totient is φ = 286740.

The previous prime is 669049. The next prime is 669077. The reversal of 669074 is 470966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 669074.

It is not an unprimeable number, because it can be changed into a prime (669077) 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, 23882 + ... + 23909.

It is an arithmetic number, because the mean of its divisors is an integer number (143376).

2⁶⁶⁹⁰⁷⁴ is an apocalyptic number.

669074 is a deficient number, since it is larger than the sum of its proper divisors (477934).

669074 is a wasteful number, since it uses less digits than its factorization.

669074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47800.

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

The square root of 669074 is about 817.9694370819. The cubic root of 669074 is about 87.4630701300.

The spelling of 669074 in words is "six hundred sixty-nine thousand, seventy-four".