47540320 has 48 divisors (see below), whose sum is σ = 115069248. Its totient is φ = 18549760.

The previous prime is 47540303. The next prime is 47540323. The reversal of 47540320 is 2304574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47540323) 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, 2937 + ... + 10183.

It is an arithmetic number, because the mean of its divisors is an integer number (2397276).

Almost surely, 2^47540320 is an apocalyptic number.

47540320 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 47540320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57534624).

47540320 is an abundant number, since it is smaller than the sum of its proper divisors (67528928).

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

47540320 is a wasteful number, since it uses less digits than its factorization.

47540320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303 (or 7295 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 47540320 is about 6894.9488758076. The cubic root of 47540320 is about 362.2602647944.

Adding to 47540320 its reverse (2304574), we get a palindrome (49844894).

The spelling of 47540320 in words is "forty-seven million, five hundred forty thousand, three hundred twenty".