2720055 has 48 divisors (see below), whose sum is σ = 5006880. Its totient is φ = 1257984.

The previous prime is 2720009. The next prime is 2720071. The reversal of 2720055 is 5500272.

It is not a de Polignac number, because 2720055 - 2⁶ = 2719991 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73497 + ... + 73533.

It is an arithmetic number, because the mean of its divisors is an integer number (104310).

2^2720055 is an apocalyptic number.

2720055 is a deficient number, since it is larger than the sum of its proper divisors (2286825).

2720055 is a wasteful number, since it uses less digits than its factorization.

2720055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2720055 is about 1649.2589244870. The cubic root of 2720055 is about 139.5915818001.

The spelling of 2720055 in words is "two million, seven hundred twenty thousand, fifty-five".