47216916 has 36 divisors (see below), whose sum is σ = 119831712. Its totient is φ = 15675984.

The previous prime is 47216893. The next prime is 47216941. The reversal of 47216916 is 61961274.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6975 + ... + 11961.

Almost surely, 2^47216916 is an apocalyptic number.

It is an amenable number.

47216916 is an abundant number, since it is smaller than the sum of its proper divisors (72614796).

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

47216916 is a wasteful number, since it uses less digits than its factorization.

47216916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5255 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 47216916 is about 6871.4566141394. The cubic root of 47216916 is about 361.4369419921.

The spelling of 47216916 in words is "forty-seven million, two hundred sixteen thousand, nine hundred sixteen".