47423880 has 384 divisors, whose sum is σ = 198132480. Its totient is φ = 9953280.

The previous prime is 47423851. The next prime is 47423911. The reversal of 47423880 is 8832474.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1156660 + ... + 1156700.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^47423880 is an apocalyptic number.

47423880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47423880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99066240).

47423880 is an abundant number, since it is smaller than the sum of its proper divisors (150708600).

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

47423880 is a wasteful number, since it uses less digits than its factorization.

47423880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 47423880 is about 6886.4998366369. The cubic root of 47423880 is about 361.9642629271.

The spelling of 47423880 in words is "forty-seven million, four hundred twenty-three thousand, eight hundred eighty".