4278744 has 96 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1360800.

The previous prime is 4278737. The next prime is 4278751. The reversal of 4278744 is 4478724.

It is an interprime number because it is at equal distance from previous prime (4278737) and next prime (4278751).

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

It is a d-powerful number, because it can be written as 4⁵ + 2⁹ + 7² + 8³ + 7⁵ + 4⁸ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4278699 and 4278708.

It is a congruent number.

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, 60229 + ... + 60299.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^4278744 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 4278744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4278744 is an abundant number, since it is smaller than the sum of its proper divisors (8301096).

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

4278744 is a wasteful number, since it uses less digits than its factorization.

4278744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4278744 is about 2068.5125090267. The cubic root of 4278744 is about 162.3449440073.

The spelling of 4278744 in words is "four million, two hundred seventy-eight thousand, seven hundred forty-four".