2725726 has 4 divisors (see below), whose sum is σ = 4088592. Its totient is φ = 1362862.

The previous prime is 2725711. The next prime is 2725769. The reversal of 2725726 is 6275272.

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

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681430 + ... + 681433.

It is an arithmetic number, because the mean of its divisors is an integer number (1022148).

2^2725726 is an apocalyptic number.

2725726 is a deficient number, since it is larger than the sum of its proper divisors (1362866).

2725726 is a wasteful number, since it uses less digits than its factorization.

2725726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362865.

The product of its digits is 11760, while the sum is 31.

The square root of 2725726 is about 1650.9772863368. The cubic root of 2725726 is about 139.6885252257.

The spelling of 2725726 in words is "two million, seven hundred twenty-five thousand, seven hundred twenty-six".