47668992 has 72 divisors (see below), whose sum is σ = 145009536. Its totient is φ = 13618176.

The previous prime is 47668963. The next prime is 47669029. The reversal of 47668992 is 29986674.

It is a happy number.

47668992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 943 + ... + 9809.

Almost surely, 2^47668992 is an apocalyptic number.

47668992 is a gapful number since it is divisible by the number (42) 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 47668992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72504768).

47668992 is an abundant number, since it is smaller than the sum of its proper divisors (97340544).

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

47668992 is an equidigital number, since it uses as much as digits as its factorization.

47668992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893 (or 8879 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 47668992 is about 6904.2734592425. The cubic root of 47668992 is about 362.5867999832.

The spelling of 47668992 in words is "forty-seven million, six hundred sixty-eight thousand, nine hundred ninety-two".