47479686 has 16 divisors (see below), whose sum is σ = 95080944. Its totient is φ = 15806304.

The previous prime is 47479669. The next prime is 47479687. The reversal of 47479686 is 68697474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47479687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480 + ... + 9756.

It is an arithmetic number, because the mean of its divisors is an integer number (5942559).

Almost surely, 2^47479686 is an apocalyptic number.

47479686 is an abundant number, since it is smaller than the sum of its proper divisors (47601258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47479686 is a wasteful number, since it uses less digits than its factorization.

47479686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135.

The product of its digits is 2032128, while the sum is 51.

The square root of 47479686 is about 6890.5504859917. The cubic root of 47479686 is about 362.1061876247.

The spelling of 47479686 in words is "forty-seven million, four hundred seventy-nine thousand, six hundred eighty-six".