3727664 has 20 divisors (see below), whose sum is σ = 7377504. Its totient is φ = 1823808.

The previous prime is 3727663. The next prime is 3727681. The reversal of 3727664 is 4667273.

It is not an unprimeable number, because it can be changed into a prime (3727663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727 + ... + 3230.

Almost surely, 2^3727664 is an apocalyptic number.

It is an amenable number.

3727664 is a deficient number, since it is larger than the sum of its proper divisors (3649840).

3727664 is a wasteful number, since it uses less digits than its factorization.

3727664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 5006 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 3727664 is about 1930.7159293899. The cubic root of 3727664 is about 155.0525524195.

The spelling of 3727664 in words is "three million, seven hundred twenty-seven thousand, six hundred sixty-four".