47371720 has 128 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 15840000.

The previous prime is 47371717. The next prime is 47371733. The reversal of 47371720 is 2717374.

47371720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313645 + ... + 313795.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^47371720 is an apocalyptic number.

47371720 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 47371720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63037440).

47371720 is an abundant number, since it is smaller than the sum of its proper divisors (78703160).

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

47371720 is a wasteful number, since it uses less digits than its factorization.

47371720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 47371720 is about 6882.7116749142. The cubic root of 47371720 is about 361.8315099622.

The spelling of 47371720 in words is "forty-seven million, three hundred seventy-one thousand, seven hundred twenty".