47306866 has 16 divisors (see below), whose sum is σ = 72938880. Its totient is φ = 22997920.

The previous prime is 47306821. The next prime is 47306873. The reversal of 47306866 is 66860374.

47306866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 28635 + ... + 30241.

It is an arithmetic number, because the mean of its divisors is an integer number (4558680).

Almost surely, 2^47306866 is an apocalyptic number.

47306866 is a deficient number, since it is larger than the sum of its proper divisors (25632014).

47306866 is a wasteful number, since it uses less digits than its factorization.

47306866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 47306866 is about 6877.9986914800. The cubic root of 47306866 is about 361.6663133873. Note that the first 3 decimals are identical.

The spelling of 47306866 in words is "forty-seven million, three hundred six thousand, eight hundred sixty-six".