47686306 has 4 divisors (see below), whose sum is σ = 71529462. Its totient is φ = 23843152.

The previous prime is 47686297. The next prime is 47686307. The reversal of 47686306 is 60368674.

47686306 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 only one way, i.e., 45684081 + 2002225 = 6759^2 + 1415^2 .

It is not an unprimeable number, because it can be changed into a prime (47686307) 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 as a sum of consecutive naturals, namely, 11921575 + ... + 11921578.

Almost surely, 2^47686306 is an apocalyptic number.

47686306 is a deficient number, since it is larger than the sum of its proper divisors (23843156).

47686306 is a wasteful number, since it uses less digits than its factorization.

47686306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843155.

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

The square root of 47686306 is about 6905.5272065209. The cubic root of 47686306 is about 362.6306934219.

The spelling of 47686306 in words is "forty-seven million, six hundred eighty-six thousand, three hundred six".