47312424 has 40 divisors (see below), whose sum is σ = 132520410. Its totient is φ = 15770592.

The previous prime is 47312423. The next prime is 47312459. The reversal of 47312424 is 42421374.

47312424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 13089924 = 5850^2 + 3618^2 .

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 (47312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35859 + ... + 37154.

Almost surely, 2^47312424 is an apocalyptic number.

It is an amenable number.

47312424 is an abundant number, since it is smaller than the sum of its proper divisors (85207986).

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

47312424 is a wasteful number, since it uses less digits than its factorization.

47312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73031 (or 73018 counting only the distinct ones).

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

The square root of 47312424 is about 6878.4027215626. The cubic root of 47312424 is about 361.6804766778.

Adding to 47312424 its reverse (42421374), we get a palindrome (89733798).

The spelling of 47312424 in words is "forty-seven million, three hundred twelve thousand, four hundred twenty-four".