3727636 has 12 divisors (see below), whose sum is σ = 7116480. Its totient is φ = 1694360.

The previous prime is 3727621. The next prime is 3727663. The reversal of 3727636 is 6367273.

It is a happy 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, 42316 + ... + 42403.

It is an arithmetic number, because the mean of its divisors is an integer number (593040).

Almost surely, 2^3727636 is an apocalyptic number.

It is an amenable number.

3727636 is a deficient number, since it is larger than the sum of its proper divisors (3388844).

3727636 is a wasteful number, since it uses less digits than its factorization.

3727636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84734 (or 84732 counting only the distinct ones).

The product of its digits is 31752, while the sum is 34.

The square root of 3727636 is about 1930.7086781801. The cubic root of 3727636 is about 155.0521641976.

It can be divided in two parts, 372 and 7636, that added together give a palindrome (8008).

The spelling of 3727636 in words is "three million, seven hundred twenty-seven thousand, six hundred thirty-six".