47712444 has 24 divisors (see below), whose sum is σ = 119893200. Its totient is φ = 14680704.

The previous prime is 47712443. The next prime is 47712451. The reversal of 47712444 is 44421774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47712443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152769 + ... + 153080.

It is an arithmetic number, because the mean of its divisors is an integer number (4995550).

Almost surely, 2^47712444 is an apocalyptic number.

It is an amenable number.

47712444 is an abundant number, since it is smaller than the sum of its proper divisors (72180756).

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

47712444 is a wasteful number, since it uses less digits than its factorization.

47712444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305869 (or 305867 counting only the distinct ones).

The product of its digits is 25088, while the sum is 33.

The square root of 47712444 is about 6907.4194892159. The cubic root of 47712444 is about 362.6969368267.

It can be divided in two parts, 477 and 12444, that added together give a palindrome (12921).

The spelling of 47712444 in words is "forty-seven million, seven hundred twelve thousand, four hundred forty-four".