5274240 has 128 divisors (see below), whose sum is σ = 17478720. Its totient is φ = 1351680.

The previous prime is 5274221. The next prime is 5274257. The reversal of 5274240 is 424725.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5274240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78687 + ... + 78753.

Almost surely, 2^5274240 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 5274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8739360).

5274240 is an abundant number, since it is smaller than the sum of its proper divisors (12204480).

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

5274240 is a wasteful number, since it uses less digits than its factorization.

5274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 5274240 is about 2296.5713574805. The cubic root of 5274240 is about 174.0684101461.

Adding to 5274240 its reverse (424725), we get a palindrome (5698965).

The spelling of 5274240 in words is "five million, two hundred seventy-four thousand, two hundred forty".