47344320 has 168 divisors, whose sum is σ = 172602144. Its totient is φ = 11870208.

The previous prime is 47344309. The next prime is 47344321. The reversal of 47344320 is 2344374.

It is not an unprimeable number, because it can be changed into a prime (47344321) 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 23 ways as a sum of consecutive naturals, for example, 48477 + ... + 49443.

Almost surely, 2^47344320 is an apocalyptic number.

47344320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86301072).

47344320 is an abundant number, since it is smaller than the sum of its proper divisors (125257824).

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

47344320 is a wasteful number, since it uses less digits than its factorization.

47344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 47344320 is about 6880.7208924647. The cubic root of 47344320 is about 361.7617348906.

Adding to 47344320 its reverse (2344374), we get a palindrome (49688694).

The spelling of 47344320 in words is "forty-seven million, three hundred forty-four thousand, three hundred twenty".