2720079 has 12 divisors (see below), whose sum is σ = 3953976. Its totient is φ = 1801872.

The previous prime is 2720071. The next prime is 2720089. The reversal of 2720079 is 9700272.

It is not a de Polignac number, because 2720079 - 2³ = 2720071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (329498).

2^2720079 is an apocalyptic number.

2720079 is a deficient number, since it is larger than the sum of its proper divisors (1233897).

2720079 is a wasteful number, since it uses less digits than its factorization.

2720079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1923 counting only the distinct ones).

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

The square root of 2720079 is about 1649.2662004661. The cubic root of 2720079 is about 139.5919923541.

The spelling of 2720079 in words is "two million, seven hundred twenty thousand, seventy-nine".