47534418 has 48 divisors (see below), whose sum is σ = 108732960. Its totient is φ = 15392592.

The previous prime is 47534411. The next prime is 47534497. The reversal of 47534418 is 81443574.

It is not an unprimeable number, because it can be changed into a prime (47534411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73605 + ... + 74247.

It is an arithmetic number, because the mean of its divisors is an integer number (2265270).

Almost surely, 2^47534418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47534418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54366480).

47534418 is an abundant number, since it is smaller than the sum of its proper divisors (61198542).

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

47534418 is a wasteful number, since it uses less digits than its factorization.

47534418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 685 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 47534418 is about 6894.5208680517. The cubic root of 47534418 is about 362.2452729688.

The spelling of 47534418 in words is "forty-seven million, five hundred thirty-four thousand, four hundred eighteen".