2746240 has 64 divisors (see below), whose sum is σ = 7515360. Its totient is φ = 940032.

The previous prime is 2746229. The next prime is 2746283. The reversal of 2746240 is 426472.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174 + ... + 4786.

2^2746240 is an apocalyptic number.

2746240 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 2746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3757680).

2746240 is an abundant number, since it is smaller than the sum of its proper divisors (4769120).

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

2746240 is an equidigital number, since it uses as much as digits as its factorization.

2746240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2746240 is about 1657.1783247436. The cubic root of 2746240 is about 140.0380848767.

The spelling of 2746240 in words is "two million, seven hundred forty-six thousand, two hundred forty".