29668628 has 24 divisors (see below), whose sum is σ = 57443904. Its totient is φ = 13294400.

The previous prime is 29668627. The next prime is 29668657. The reversal of 29668628 is 82686692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29668627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (2393496).

Almost surely, 2^29668628 is an apocalyptic number.

It is an amenable number.

29668628 is a deficient number, since it is larger than the sum of its proper divisors (27775276).

29668628 is a wasteful number, since it uses less digits than its factorization.

29668628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583 (or 9581 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 29668628 is about 5446.8915906230. The cubic root of 29668628 is about 309.5749568555.

The spelling of 29668628 in words is "twenty-nine million, six hundred sixty-eight thousand, six hundred twenty-eight".