47270705 has 4 divisors (see below), whose sum is σ = 56724852. Its totient is φ = 37816560.

The previous prime is 47270683. The next prime is 47270731. The reversal of 47270705 is 50707274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35628961 + 11641744 = 5969^2 + 3412^2 .

It is not a de Polignac number, because 47270705 - 2¹⁸ = 47008561 is a prime.

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

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 3 ways as a sum of consecutive naturals, for example, 4727066 + ... + 4727075.

It is an arithmetic number, because the mean of its divisors is an integer number (14181213).

Almost surely, 2^47270705 is an apocalyptic number.

It is an amenable number.

47270705 is a deficient number, since it is larger than the sum of its proper divisors (9454147).

47270705 is an equidigital number, since it uses as much as digits as its factorization.

47270705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454146.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 47270705 is about 6875.3694446190. The cubic root of 47270705 is about 361.5741382594.

Adding to 47270705 its reverse (50707274), we get a palindrome (97977979).

The spelling of 47270705 in words is "forty-seven million, two hundred seventy thousand, seven hundred five".