47331668 has 12 divisors (see below), whose sum is σ = 85502592. Its totient is φ = 22902360.

The previous prime is 47331659. The next prime is 47331673. The reversal of 47331668 is 86613374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190730 + ... + 190977.

It is an arithmetic number, because the mean of its divisors is an integer number (7125216).

Almost surely, 2^47331668 is an apocalyptic number.

It is an amenable number.

47331668 is a deficient number, since it is larger than the sum of its proper divisors (38170924).

47331668 is a wasteful number, since it uses less digits than its factorization.

47331668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381742 (or 381740 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 47331668 is about 6879.8014506234. The cubic root of 47331668 is about 361.7295070384.

The spelling of 47331668 in words is "forty-seven million, three hundred thirty-one thousand, six hundred sixty-eight".