47816705 has 8 divisors (see below), whose sum is σ = 57746472. Its totient is φ = 38009088.

The previous prime is 47816693. The next prime is 47816707. The reversal of 47816705 is 50761874.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 46553329 = 1124^2 + 6823^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47816705 - 2⁶ = 47816641 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47816707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29672 + ... + 31241.

It is an arithmetic number, because the mean of its divisors is an integer number (7218309).

It is a Proth number, since it is equal to 5837 ⋅ 2¹³ + 1 and 5837 < 2¹³.

Almost surely, 2^47816705 is an apocalyptic number.

It is an amenable number.

47816705 is a deficient number, since it is larger than the sum of its proper divisors (9929767).

47816705 is a wasteful number, since it uses less digits than its factorization.

47816705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61075.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 47816705 is about 6914.9624004762. The cubic root of 47816705 is about 362.9609324853.

The spelling of 47816705 in words is "forty-seven million, eight hundred sixteen thousand, seven hundred five".