5272240 has 40 divisors (see below), whose sum is σ = 12476880. Its totient is φ = 2071296.

The previous prime is 5272237. The next prime is 5272249. The reversal of 5272240 is 422725.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5272249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (311922).

Almost surely, 2^5272240 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 5272240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6238440).

5272240 is an abundant number, since it is smaller than the sum of its proper divisors (7204640).

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

5272240 is a wasteful number, since it uses less digits than its factorization.

5272240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 5272240 is about 2296.1358844807. The cubic root of 5272240 is about 174.0464050272.

Adding to 5272240 its reverse (422725), we get a palindrome (5694965).

The spelling of 5272240 in words is "five million, two hundred seventy-two thousand, two hundred forty".