47320784 has 40 divisors (see below), whose sum is σ = 105737280. Its totient is φ = 20095488.

The previous prime is 47320781. The next prime is 47320829. The reversal of 47320784 is 48702374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47320781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10787 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (2643432).

Almost surely, 2^47320784 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 47320784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52868640).

47320784 is an abundant number, since it is smaller than the sum of its proper divisors (58416496).

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

47320784 is a wasteful number, since it uses less digits than its factorization.

47320784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 47320784 is about 6879.0103939448. The cubic root of 47320784 is about 361.7017781349.

The spelling of 47320784 in words is "forty-seven million, three hundred twenty thousand, seven hundred eighty-four".