47018992 has 40 divisors (see below), whose sum is σ = 96529536. Its totient is φ = 22140096.

The previous prime is 47018989. The next prime is 47018999. The reversal of 47018992 is 29981074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47018999) 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, 23703 + ... + 25609.

Almost surely, 2^47018992 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 47018992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48264768).

47018992 is an abundant number, since it is smaller than the sum of its proper divisors (49510544).

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

47018992 is a wasteful number, since it uses less digits than its factorization.

47018992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 47018992 is about 6857.0395944606. The cubic root of 47018992 is about 360.9312105636.

The spelling of 47018992 in words is "forty-seven million, eighteen thousand, nine hundred ninety-two".