669335032 has 16 divisors (see below), whose sum is σ = 1288922760. Its totient is φ = 325622304.

The previous prime is 669334987. The next prime is 669335053. The reversal of 669335032 is 230533966.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 669334982 and 669335000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130338 + ... + 1130929.

Almost surely, 2^669335032 is an apocalyptic number.

It is an amenable number.

669335032 is a deficient number, since it is larger than the sum of its proper divisors (619587728).

669335032 is a wasteful number, since it uses less digits than its factorization.

669335032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261310 (or 2261306 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 37.

The square root of 669335032 is about 25871.5100448350. The cubic root of 669335032 is about 874.7444290877.

Adding to 669335032 its reverse (230533966), we get a palindrome (899868998).

The spelling of 669335032 in words is "six hundred sixty-nine million, three hundred thirty-five thousand, thirty-two".