2723040 has 144 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 691200.

The previous prime is 2723033. The next prime is 2723041. The reversal of 2723040 is 403272.

It is a happy number.

2723040 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44610 + ... + 44670.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^2723040 is an apocalyptic number.

2723040 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 2723040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

2723040 is an abundant number, since it is smaller than the sum of its proper divisors (7026336).

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

2723040 is a wasteful number, since it uses less digits than its factorization.

2723040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2723040 is about 1650.1636282502. The cubic root of 2723040 is about 139.6426259325.

The spelling of 2723040 in words is "two million, seven hundred twenty-three thousand, forty".