47243118 has 32 divisors (see below), whose sum is σ = 103160736. Its totient is φ = 14335488.

The previous prime is 47243099. The next prime is 47243123. The reversal of 47243118 is 81134274.

It is a Curzon number.

It is a congruent 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, 1546 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (3223773).

Almost surely, 2^47243118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47243118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51580368).

47243118 is an abundant number, since it is smaller than the sum of its proper divisors (55917618).

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

47243118 is a wasteful number, since it uses less digits than its factorization.

47243118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388.

The product of its digits is 5376, while the sum is 30.

The square root of 47243118 is about 6873.3629323643. The cubic root of 47243118 is about 361.5037868174.

The spelling of 47243118 in words is "forty-seven million, two hundred forty-three thousand, one hundred eighteen".