2720044 has 12 divisors (see below), whose sum is σ = 4774000. Its totient is φ = 1356048.

The previous prime is 2720009. The next prime is 2720071. The reversal of 2720044 is 4400272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982 + ... + 2530.

2^2720044 is an apocalyptic number.

It is an amenable number.

2720044 is a deficient number, since it is larger than the sum of its proper divisors (2053956).

2720044 is a wasteful number, since it uses less digits than its factorization.

2720044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2720044 is about 1649.2555896525. The cubic root of 2720044 is about 139.5913936288.

The spelling of 2720044 in words is "two million, seven hundred twenty thousand, forty-four".