47669905 has 8 divisors (see below), whose sum is σ = 57276072. Its totient is φ = 38087808.

The previous prime is 47669903. The next prime is 47669927. The reversal of 47669905 is 50996674.

47669905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3207681 + 44462224 = 1791^2 + 6668^2 .

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 47669905 - 2¹ = 47669903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47669903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1324 + ... + 9853.

It is an arithmetic number, because the mean of its divisors is an integer number (7159509).

Almost surely, 2^47669905 is an apocalyptic number.

It is an amenable number.

47669905 is a deficient number, since it is larger than the sum of its proper divisors (9606167).

47669905 is a wasteful number, since it uses less digits than its factorization.

47669905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 47669905 is about 6904.3395773962. The cubic root of 47669905 is about 362.5891148327.

The spelling of 47669905 in words is "forty-seven million, six hundred sixty-nine thousand, nine hundred five".