47916420 has 48 divisors (see below), whose sum is σ = 135511488. Its totient is φ = 12649600.

The previous prime is 47916391. The next prime is 47916431. The reversal of 47916420 is 2461974.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (2823156).

Almost surely, 2^47916420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47916420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67755744).

47916420 is an abundant number, since it is smaller than the sum of its proper divisors (87595068).

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

47916420 is a wasteful number, since it uses less digits than its factorization.

47916420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 47916420 is about 6922.1687353025. The cubic root of 47916420 is about 363.2130586008.

It can be divided in two parts, 4791 and 6420, that added together give a palindrome (11211).

The spelling of 47916420 in words is "forty-seven million, nine hundred sixteen thousand, four hundred twenty".