47134224 has 90 divisors (see below), whose sum is σ = 137281950. Its totient is φ = 15676416.

The previous prime is 47134223. The next prime is 47134259. The reversal of 47134224 is 42243174.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 5143824 = 6480^2 + 2268^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47134223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 104752 + ... + 105200.

It is an arithmetic number, because the mean of its divisors is an integer number (1525355).

Almost surely, 2^47134224 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 47134224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68640975).

47134224 is an abundant number, since it is smaller than the sum of its proper divisors (90147726).

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

47134224 is an frugal number, since it uses more digits than its factorization.

47134224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 454 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 47134224 is about 6865.4369125351. The cubic root of 47134224 is about 361.2258212686.

Adding to 47134224 its reverse (42243174), we get a palindrome (89377398).

The spelling of 47134224 in words is "forty-seven million, one hundred thirty-four thousand, two hundred twenty-four".