47843520 has 224 divisors, whose sum is σ = 166298880. Its totient is φ = 11612160.

The previous prime is 47843507. The next prime is 47843527. The reversal of 47843520 is 2534874.

It is not an unprimeable number, because it can be changed into a prime (47843527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784290 + ... + 784350.

Almost surely, 2^47843520 is an apocalyptic number.

47843520 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 47843520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83149440).

47843520 is an abundant number, since it is smaller than the sum of its proper divisors (118455360).

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

47843520 is a wasteful number, since it uses less digits than its factorization.

47843520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 47843520 is about 6916.9010402058. The cubic root of 47843520 is about 363.0287677646.

The spelling of 47843520 in words is "forty-seven million, eight hundred forty-three thousand, five hundred twenty".