47244744 has 96 divisors (see below), whose sum is σ = 134634240. Its totient is φ = 14947200.

The previous prime is 47244731. The next prime is 47244779. The reversal of 47244744 is 44744274.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47244699 and 47244708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135979 + ... + 136325.

It is an arithmetic number, because the mean of its divisors is an integer number (1402440).

Almost surely, 2^47244744 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 47244744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67317120).

47244744 is an abundant number, since it is smaller than the sum of its proper divisors (87389496).

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

47244744 is a wasteful number, since it uses less digits than its factorization.

47244744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 444 counting only the distinct ones).

The product of its digits is 100352, while the sum is 36.

The square root of 47244744 is about 6873.4812140574. The cubic root of 47244744 is about 361.5079341475.

The spelling of 47244744 in words is "forty-seven million, two hundred forty-four thousand, seven hundred forty-four".