29974738 has 8 divisors (see below), whose sum is σ = 45000432. Its totient is φ = 14974596.

The previous prime is 29974717. The next prime is 29974739. The reversal of 29974738 is 83747992.

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

It is a junction number, because it is equal to n+sod(n) for n = 29974691 and 29974700.

It is not an unprimeable number, because it can be changed into a prime (29974739) 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 3 ways as a sum of consecutive naturals, for example, 3120 + ... + 8347.

It is an arithmetic number, because the mean of its divisors is an integer number (5625054).

Almost surely, 2^29974738 is an apocalyptic number.

29974738 is a deficient number, since it is larger than the sum of its proper divisors (15025694).

29974738 is a wasteful number, since it uses less digits than its factorization.

29974738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776.

The product of its digits is 762048, while the sum is 49.

The square root of 29974738 is about 5474.9189948345. The cubic root of 29974738 is about 310.6360095392.

The spelling of 29974738 in words is "twenty-nine million, nine hundred seventy-four thousand, seven hundred thirty-eight".