669630734 has 8 divisors (see below), whose sum is σ = 1011187800. Its totient is φ = 332568136.

The previous prime is 669630727. The next prime is 669630739. The reversal of 669630734 is 437036966.

669630734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669630739) 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, 1123244 + ... + 1123839.

It is an arithmetic number, because the mean of its divisors is an integer number (126398475).

Almost surely, 2^669630734 is an apocalyptic number.

669630734 is a deficient number, since it is larger than the sum of its proper divisors (341557066).

669630734 is a wasteful number, since it uses less digits than its factorization.

669630734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247234.

The product of its (nonzero) digits is 489888, while the sum is 44.

The square root of 669630734 is about 25877.2242329041. The cubic root of 669630734 is about 874.8732263681.

The spelling of 669630734 in words is "six hundred sixty-nine million, six hundred thirty thousand, seven hundred thirty-four".