669032674 has 16 divisors (see below), whose sum is σ = 1076302080. Its totient is φ = 310929840.

The previous prime is 669032647. The next prime is 669032677. The reversal of 669032674 is 476230966.

It is a self number, because there is not a number n which added to its sum of digits gives 669032674.

It is not an unprimeable number, because it can be changed into a prime (669032677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164082 + ... + 168109.

It is an arithmetic number, because the mean of its divisors is an integer number (67268880).

Almost surely, 2^669032674 is an apocalyptic number.

669032674 is a deficient number, since it is larger than the sum of its proper divisors (407269406).

669032674 is a wasteful number, since it uses less digits than its factorization.

669032674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332265.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 669032674 is about 25865.6659299543. The cubic root of 669032674 is about 874.6126934602.

The spelling of 669032674 in words is "six hundred sixty-nine million, thirty-two thousand, six hundred seventy-four".