5147744 has 60 divisors (see below), whose sum is σ = 11999484. Its totient is φ = 2173248.

The previous prime is 5147711. The next prime is 5147749. The reversal of 5147744 is 4477415.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 5147744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147749) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76799 + ... + 76865.

Almost surely, 2^5147744 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 5147744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999742).

5147744 is an abundant number, since it is smaller than the sum of its proper divisors (6851740).

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

5147744 is an frugal number, since it uses more digits than its factorization.

5147744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 76 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 5147744 is about 2268.8640329469. The cubic root of 5147744 is about 172.6655303878.

It can be divided in two parts, 5 and 147744, that multiplied together give a triangular number (738720 = T₁₂₁₅).

The spelling of 5147744 in words is "five million, one hundred forty-seven thousand, seven hundred forty-four".