47120520 has 64 divisors (see below), whose sum is σ = 142107840. Its totient is φ = 12499200.

The previous prime is 47120503. The next prime is 47120533. The reversal of 47120520 is 2502174.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24390 + ... + 26250.

It is an arithmetic number, because the mean of its divisors is an integer number (2220435).

Almost surely, 2^47120520 is an apocalyptic number.

47120520 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 47120520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71053920).

47120520 is an abundant number, since it is smaller than the sum of its proper divisors (94987320).

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

47120520 is a wasteful number, since it uses less digits than its factorization.

47120520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 47120520 is about 6864.4387971632. The cubic root of 47120520 is about 361.1908097769.

Adding to 47120520 its reverse (2502174), we get a palindrome (49622694).

The spelling of 47120520 in words is "forty-seven million, one hundred twenty thousand, five hundred twenty".