2750720 has 72 divisors (see below), whose sum is σ = 7554624. Its totient is φ = 940032.

The previous prime is 2750707. The next prime is 2750729. The reversal of 2750720 is 270572.

It is not an unprimeable number, because it can be changed into a prime (2750729) 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, 8807 + ... + 9113.

2^2750720 is an apocalyptic number.

2750720 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 2750720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777312).

2750720 is an abundant number, since it is smaller than the sum of its proper divisors (4803904).

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

2750720 is an equidigital number, since it uses as much as digits as its factorization.

2750720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 2750720 is about 1658.5294691382. The cubic root of 2750720 is about 140.1141925465.

The spelling of 2750720 in words is "two million, seven hundred fifty thousand, seven hundred twenty".