47047320 has 48 divisors (see below), whose sum is σ = 152904960. Its totient is φ = 12545856.

The previous prime is 47047291. The next prime is 47047321. The reversal of 47047320 is 2374074.

47047320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47047321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64984 + ... + 65703.

It is an arithmetic number, because the mean of its divisors is an integer number (3185520).

Almost surely, 2^47047320 is an apocalyptic number.

47047320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47047320 is an abundant number, since it is smaller than the sum of its proper divisors (105857640).

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

47047320 is a wasteful number, since it uses less digits than its factorization.

47047320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130704 (or 130697 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 47047320 is about 6859.1048978712. The cubic root of 47047320 is about 361.0036806177.

The spelling of 47047320 in words is "forty-seven million, forty-seven thousand, three hundred twenty".