47669686 has 4 divisors (see below), whose sum is σ = 71504532. Its totient is φ = 23834842.

The previous prime is 47669659. The next prime is 47669701. The reversal of 47669686 is 68696674.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11917420 + ... + 11917423.

It is an arithmetic number, because the mean of its divisors is an integer number (17876133).

Almost surely, 2^47669686 is an apocalyptic number.

47669686 is a deficient number, since it is larger than the sum of its proper divisors (23834846).

47669686 is a wasteful number, since it uses less digits than its factorization.

47669686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834845.

The product of its digits is 2612736, while the sum is 52.

The square root of 47669686 is about 6904.3237177873. The cubic root of 47669686 is about 362.5885595758.

The spelling of 47669686 in words is "forty-seven million, six hundred sixty-nine thousand, six hundred eighty-six".