2720535 has 16 divisors (see below), whose sum is σ = 4419456. Its totient is φ = 1428768.

The previous prime is 2720513. The next prime is 2720551. The reversal of 2720535 is 5350272.

It is not a de Polignac number, because 2720535 - 2⁵ = 2720503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (276216).

2^2720535 is an apocalyptic number.

2720535 is a deficient number, since it is larger than the sum of its proper divisors (1698921).

2720535 is a wasteful number, since it uses less digits than its factorization.

2720535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 2720535 is about 1649.4044379715. The cubic root of 2720535 is about 139.5997924207.

The spelling of 2720535 in words is "two million, seven hundred twenty thousand, five hundred thirty-five".