2643072 has 32 divisors (see below), whose sum is σ = 7021680. Its totient is φ = 880896.

The previous prime is 2643061. The next prime is 2643073. The reversal of 2643072 is 2703462.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a d-powerful number, because it can be written as 2⁵ + 6 + 4¹⁰ + 3¹³ + 0 + 7 + 2⁷ .

It is not an unprimeable number, because it can be changed into a prime (2643073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058 + ... + 3825.

2^2643072 is an apocalyptic number.

It is an amenable number.

2643072 is an abundant number, since it is smaller than the sum of its proper divisors (4378608).

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

2643072 is an equidigital number, since it uses as much as digits as its factorization.

2643072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2643072 is about 1625.7527487290. The cubic root of 2643072 is about 138.2620519519.

The spelling of 2643072 in words is "two million, six hundred forty-three thousand, seventy-two".