2072320 has 36 divisors (see below), whose sum is σ = 4966920. Its totient is φ = 828416.

The previous prime is 2072293. The next prime is 2072321. The reversal of 2072320 is 232702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2072294 and 2072303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471 + ... + 2089.

It is an arithmetic number, because the mean of its divisors is an integer number (137970).

2^2072320 is an apocalyptic number.

2072320 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 2072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2483460).

2072320 is an abundant number, since it is smaller than the sum of its proper divisors (2894600).

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

2072320 is an equidigital number, since it uses as much as digits as its factorization.

2072320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2072320 is about 1439.5554869473. Note that the first 3 decimals coincide. The cubic root of 2072320 is about 127.4927844180.

The spelling of 2072320 in words is "two million, seventy-two thousand, three hundred twenty".