29640706 has 8 divisors (see below), whose sum is σ = 44484300. Its totient is φ = 14812608.

The previous prime is 29640679. The next prime is 29640713. The reversal of 29640706 is 60704692.

It can be written as a sum of positive squares in 2 ways, for example, as 26368225 + 3272481 = 5135^2 + 1809^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4750 + ... + 9046.

Almost surely, 2^29640706 is an apocalyptic number.

29640706 is a deficient number, since it is larger than the sum of its proper divisors (14843594).

29640706 is a wasteful number, since it uses less digits than its factorization.

29640706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 29640706 is about 5444.3278740355. The cubic root of 29640706 is about 309.4778097382.

The spelling of 29640706 in words is "twenty-nine million, six hundred forty thousand, seven hundred six".