2729320 has 32 divisors (see below), whose sum is σ = 6700320. Its totient is φ = 992320.

The previous prime is 2729317. The next prime is 2729327. The reversal of 2729320 is 239272.

It is not an unprimeable number, because it can be changed into a prime (2729327) 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, 2662 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (209385).

2^2729320 is an apocalyptic number.

2729320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729320 is an abundant number, since it is smaller than the sum of its proper divisors (3971000).

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

2729320 is a wasteful number, since it uses less digits than its factorization.

2729320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2729320 is about 1652.0653740092. The cubic root of 2729320 is about 139.7498935934.

The spelling of 2729320 in words is "two million, seven hundred twenty-nine thousand, three hundred twenty".