47770705 has 4 divisors (see below), whose sum is σ = 57324852. Its totient is φ = 38216560.

The previous prime is 47770691. The next prime is 47770711. The reversal of 47770705 is 50707774.

47770705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8042896 + 39727809 = 2836^2 + 6303^2 .

It is not a de Polignac number, because 47770705 - 2⁷ = 47770577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4777066 + ... + 4777075.

It is an arithmetic number, because the mean of its divisors is an integer number (14331213).

Almost surely, 2^47770705 is an apocalyptic number.

It is an amenable number.

47770705 is a deficient number, since it is larger than the sum of its proper divisors (9554147).

47770705 is an equidigital number, since it uses as much as digits as its factorization.

47770705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554146.

The product of its (nonzero) digits is 48020, while the sum is 37.

The square root of 47770705 is about 6911.6354793927. The cubic root of 47770705 is about 362.8445048357.

The spelling of 47770705 in words is "forty-seven million, seven hundred seventy thousand, seven hundred five".