3727687 has 2 divisors, whose sum is σ = 3727688. Its totient is φ = 3727686.

The previous prime is 3727681. The next prime is 3727693. The reversal of 3727687 is 7867273.

3727687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3727681) and next prime (3727693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3727687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3727681) by changing a digit.

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 as a sum of consecutive naturals, namely, 1863843 + 1863844.

It is an arithmetic number, because the mean of its divisors is an integer number (1863844).

Almost surely, 2^3727687 is an apocalyptic number.

3727687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3727687 is an equidigital number, since it uses as much as digits as its factorization.

3727687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 40.

The square root of 3727687 is about 1930.7218857205. The cubic root of 3727687 is about 155.0528713146.

The spelling of 3727687 in words is "three million, seven hundred twenty-seven thousand, six hundred eighty-seven".