2723320 has 32 divisors (see below), whose sum is σ = 6196320. Its totient is φ = 1077120.

The previous prime is 2723317. The next prime is 2723323. The reversal of 2723320 is 233272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2723317) and next prime (2723323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723323) 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, 3790 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (193635).

2^2723320 is an apocalyptic number.

2723320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2723320 is an abundant number, since it is smaller than the sum of its proper divisors (3473000).

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

2723320 is a wasteful number, since it uses less digits than its factorization.

2723320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 2723320 is about 1650.2484661408. The cubic root of 2723320 is about 139.6474120777.

Adding to 2723320 its reverse (233272), we get a palindrome (2956592).

The spelling of 2723320 in words is "two million, seven hundred twenty-three thousand, three hundred twenty".