2720975 has 12 divisors (see below), whose sum is σ = 3404544. Its totient is φ = 2157120.

The previous prime is 2720953. The next prime is 2720981. The reversal of 2720975 is 5790272.

2720975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2720975 - 2¹⁴ = 2704591 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (283712).

2^2720975 is an apocalyptic number.

2720975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2720975 is a deficient number, since it is larger than the sum of its proper divisors (683569).

2720975 is a wasteful number, since it uses less digits than its factorization.

2720975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2720975 is about 1649.5378140558. The cubic root of 2720975 is about 139.6073179745.

The spelling of 2720975 in words is "two million, seven hundred twenty thousand, nine hundred seventy-five".