47471830 has 16 divisors (see below), whose sum is σ = 97656480. Its totient is φ = 16276032.

The previous prime is 47471821. The next prime is 47471843. The reversal of 47471830 is 3817474.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339015 + ... + 339154.

It is an arithmetic number, because the mean of its divisors is an integer number (6103530).

Almost surely, 2^47471830 is an apocalyptic number.

47471830 is an abundant number, since it is smaller than the sum of its proper divisors (50184650).

47471830 is a wasteful number, since it uses less digits than its factorization.

47471830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678183.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 47471830 is about 6889.9804063582. The cubic root of 47471830 is about 362.0862151315.

The spelling of 47471830 in words is "forty-seven million, four hundred seventy-one thousand, eight hundred thirty".