669963074 has 16 divisors (see below), whose sum is σ = 1101016800. Its totient is φ = 303219360.

The previous prime is 669963053. The next prime is 669963079. The reversal of 669963074 is 470369966.

It is not an unprimeable number, because it can be changed into a prime (669963079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60224 + ... + 70475.

It is an arithmetic number, because the mean of its divisors is an integer number (68813550).

Almost surely, 2^669963074 is an apocalyptic number.

669963074 is a deficient number, since it is larger than the sum of its proper divisors (431053726).

669963074 is a wasteful number, since it uses less digits than its factorization.

669963074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130945.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 669963074 is about 25883.6449133425. The cubic root of 669963074 is about 875.0179366119.

The spelling of 669963074 in words is "six hundred sixty-nine million, nine hundred sixty-three thousand, seventy-four".