47500320 has 192 divisors, whose sum is σ = 174375936. Its totient is φ = 10644480.

The previous prime is 47500307. The next prime is 47500333. The reversal of 47500320 is 2300574.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47500307) and next prime (47500333).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225015 + ... + 225225.

It is an arithmetic number, because the mean of its divisors is an integer number (908208).

Almost surely, 2^47500320 is an apocalyptic number.

47500320 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 47500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87187968).

47500320 is an abundant number, since it is smaller than the sum of its proper divisors (126875616).

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

47500320 is a wasteful number, since it uses less digits than its factorization.

47500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 47500320 is about 6892.0475912460. The cubic root of 47500320 is about 362.1586354369.

Adding to 47500320 its reverse (2300574), we get a palindrome (49800894).

The spelling of 47500320 in words is "forty-seven million, five hundred thousand, three hundred twenty".