2720495 has 4 divisors (see below), whose sum is σ = 3264600. Its totient is φ = 2176392.

The previous prime is 2720447. The next prime is 2720503. The reversal of 2720495 is 5940272.

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 2720495 - 2⁸ = 2720239 is a prime.

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, 272045 + ... + 272054.

It is an arithmetic number, because the mean of its divisors is an integer number (816150).

2^2720495 is an apocalyptic number.

2720495 is a deficient number, since it is larger than the sum of its proper divisors (544105).

2720495 is an equidigital number, since it uses as much as digits as its factorization.

2720495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544104.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2720495 is about 1649.3923123381. The cubic root of 2720495 is about 139.5991082392.

The spelling of 2720495 in words is "two million, seven hundred twenty thousand, four hundred ninety-five".