47471730 has 16 divisors (see below), whose sum is σ = 113932224. Its totient is φ = 12659120.

The previous prime is 47471707. The next prime is 47471731. The reversal of 47471730 is 3717474.

47471730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47471691 and 47471700.

It is not an unprimeable number, because it can be changed into a prime (47471731) 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 7 ways as a sum of consecutive naturals, for example, 791166 + ... + 791225.

It is an arithmetic number, because the mean of its divisors is an integer number (7120764).

Almost surely, 2^47471730 is an apocalyptic number.

47471730 is an abundant number, since it is smaller than the sum of its proper divisors (66460494).

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

47471730 is a wasteful number, since it uses less digits than its factorization.

47471730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582401.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 47471730 is about 6889.9731494397. The cubic root of 47471730 is about 362.0859608849.

The spelling of 47471730 in words is "forty-seven million, four hundred seventy-one thousand, seven hundred thirty".