2670720 has 128 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 651264.

The previous prime is 2670719. The next prime is 2670721. The reversal of 2670720 is 270762.

It is an interprime number because it is at equal distance from previous prime (2670719) and next prime (2670721).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2670721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24907 + ... + 25013.

2^2670720 is an apocalyptic number.

2670720 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 2670720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

2670720 is an abundant number, since it is smaller than the sum of its proper divisors (6582720).

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

2670720 is a wasteful number, since it uses less digits than its factorization.

2670720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 2670720 is about 1634.2337654081. The cubic root of 2670720 is about 138.7424799106.

The spelling of 2670720 in words is "two million, six hundred seventy thousand, seven hundred twenty".