47044518 has 16 divisors (see below), whose sum is σ = 94328496. Its totient is φ = 15641600.

The previous prime is 47044511. The next prime is 47044553. The reversal of 47044518 is 81544074.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47044511) 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, 7371 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (5895531).

Almost surely, 2^47044518 is an apocalyptic number.

47044518 is an abundant number, since it is smaller than the sum of its proper divisors (47283978).

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

47044518 is a wasteful number, since it uses less digits than its factorization.

47044518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 47044518 is about 6858.9006407733. The cubic root of 47044518 is about 360.9965137029.

The spelling of 47044518 in words is "forty-seven million, forty-four thousand, five hundred eighteen".