29913738 has 8 divisors (see below), whose sum is σ = 59827488. Its totient is φ = 9971244.

The previous prime is 29913713. The next prime is 29913743. The reversal of 29913738 is 83731992.

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

29913738 is an admirable number.

It is a super-2 number, since 2×29913738² = 1789663442265288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29913738.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2492806 + ... + 2492817.

It is an arithmetic number, because the mean of its divisors is an integer number (7478436).

Almost surely, 2^29913738 is an apocalyptic number.

29913738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29913738 is a wasteful number, since it uses less digits than its factorization.

29913738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985628.

The product of its digits is 81648, while the sum is 42.

The square root of 29913738 is about 5469.3452990280. The cubic root of 29913738 is about 310.4251468118.

The spelling of 29913738 in words is "twenty-nine million, nine hundred thirteen thousand, seven hundred thirty-eight".