2725787 has 4 divisors (see below), whose sum is σ = 2737920. Its totient is φ = 2713656.

The previous prime is 2725783. The next prime is 2725817. The reversal of 2725787 is 7875272.

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 2725787 - 2² = 2725783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725787.

It is not an unprimeable number, because it can be changed into a prime (2725781) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5723 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (684480).

2^2725787 is an apocalyptic number.

2725787 is a deficient number, since it is larger than the sum of its proper divisors (12133).

2725787 is a wasteful number, since it uses less digits than its factorization.

2725787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12132.

The product of its digits is 54880, while the sum is 38.

The square root of 2725787 is about 1650.9957601399. The cubic root of 2725787 is about 139.6895672645.

The spelling of 2725787 in words is "two million, seven hundred twenty-five thousand, seven hundred eighty-seven".