2079720 has 96 divisors (see below), whose sum is σ = 6949800. Its totient is φ = 539136.

The previous prime is 2079719. The next prime is 2079739. The reversal of 2079720 is 279702.

It can be written as a sum of positive squares in 4 ways, for example, as 1954404 + 125316 = 1398^2 + 354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19026 + ... + 19134.

2^2079720 is an apocalyptic number.

2079720 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 2079720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474900).

2079720 is an abundant number, since it is smaller than the sum of its proper divisors (4870080).

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

2079720 is a wasteful number, since it uses less digits than its factorization.

2079720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 2079720 is about 1442.1234343842. The cubic root of 2079720 is about 127.6443578317.

The spelling of 2079720 in words is "two million, seventy-nine thousand, seven hundred twenty".