47147616 has 96 divisors (see below), whose sum is σ = 138710880. Its totient is φ = 15579648.

The previous prime is 47147603. The next prime is 47147641. The reversal of 47147616 is 61674174.

47147616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170070 + ... + 170346.

It is an arithmetic number, because the mean of its divisors is an integer number (1444905).

Almost surely, 2^47147616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47147616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69355440).

47147616 is an abundant number, since it is smaller than the sum of its proper divisors (91563264).

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

47147616 is a wasteful number, since it uses less digits than its factorization.

47147616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 479 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 47147616 is about 6866.4121635684. The cubic root of 47147616 is about 361.2600290954.

The spelling of 47147616 in words is "forty-seven million, one hundred forty-seven thousand, six hundred sixteen".