47448920 has 32 divisors (see below), whose sum is σ = 106956720. Its totient is φ = 18944640.

The previous prime is 47448847. The next prime is 47448923. The reversal of 47448920 is 2984474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47448923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39935 + ... + 41105.

Almost surely, 2^47448920 is an apocalyptic number.

47448920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47448920 is an abundant number, since it is smaller than the sum of its proper divisors (59507800).

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

47448920 is a wasteful number, since it uses less digits than its factorization.

47448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47448920 is about 6888.3176465665. The cubic root of 47448920 is about 362.0279579152.

It can be divided in two parts, 474 and 48920, that added together give a palindrome (49394).

The spelling of 47448920 in words is "forty-seven million, four hundred forty-eight thousand, nine hundred twenty".