29984705 has 8 divisors (see below), whose sum is σ = 36011304. Its totient is φ = 23968000.

The previous prime is 29984671. The next prime is 29984749. The reversal of 29984705 is 50748992.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9878449 + 20106256 = 3143^2 + 4484^2 .

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

It is not a de Polignac number, because 29984705 - 2¹⁴ = 29968321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9305 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (4501413).

Almost surely, 2^29984705 is an apocalyptic number.

It is an amenable number.

29984705 is a deficient number, since it is larger than the sum of its proper divisors (6026599).

29984705 is a wasteful number, since it uses less digits than its factorization.

29984705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 29984705 is about 5475.8291609582. The cubic root of 29984705 is about 310.6704359286.

The spelling of 29984705 in words is "twenty-nine million, nine hundred eighty-four thousand, seven hundred five".