2715240 has 128 divisors (see below), whose sum is σ = 9486720. Its totient is φ = 619520.

The previous prime is 2715221. The next prime is 2715247. The reversal of 2715240 is 425172.

2715240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 187 × 165 × 88.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2715247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159712 + ... + 159728.

It is an arithmetic number, because the mean of its divisors is an integer number (74115).

2^2715240 is an apocalyptic number.

2715240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2715240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4743360).

2715240 is an abundant number, since it is smaller than the sum of its proper divisors (6771480).

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

2715240 is a wasteful number, since it uses less digits than its factorization.

2715240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2715240 is about 1647.7985313745. The cubic root of 2715240 is about 139.5091655185.

The spelling of 2715240 in words is "two million, seven hundred fifteen thousand, two hundred forty".