2720695 has 4 divisors (see below), whose sum is σ = 3264840. Its totient is φ = 2176552.

The previous prime is 2720687. The next prime is 2720713. The reversal of 2720695 is 5960272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2720695 - 2³ = 2720687 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 272065 + ... + 272074.

It is an arithmetic number, because the mean of its divisors is an integer number (816210).

2^2720695 is an apocalyptic number.

2720695 is a deficient number, since it is larger than the sum of its proper divisors (544145).

2720695 is an equidigital number, since it uses as much as digits as its factorization.

2720695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544144.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2720695 is about 1649.4529396136. The cubic root of 2720695 is about 139.6025290796.

The spelling of 2720695 in words is "two million, seven hundred twenty thousand, six hundred ninety-five".